Home / 5,115.14-7,056.69-3,225.23

Finding the Fourth Proportional to 5,115.14, 7,056.69 and 3,225.23

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Solution

The fourth proportional to 5,115.14, 7,056.69 and 3,225.23 is: 4,449.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,115.14 : 7,056.69 = 3,225.23 : x
  2. Step 2: Convert to fraction form
    5,115.14/7,056.69 = 3,225.23/x
  3. Step 3: Cross multiply
    5,115.14x = 7,056.69 × 3,225.23
  4. Step 4: Simplify right side
    5,115.14x = 22,759,448.29
  5. Step 5: Solve for x
    x = 22,759,448.29/5,115.14
  6. Step 6: Final answer
    x = 4,449.43

Related Problems

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Half scale
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Double scale
Find fourth proportional to 5,116.14, 7,058.07 and 3,226.23
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.