Home / 5,358.15-7,392.47-3,118.23

Finding the Fourth Proportional to 5,358.15, 7,392.47 and 3,118.23

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Solution

The fourth proportional to 5,358.15, 7,392.47 and 3,118.23 is: 4,302.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,358.15 : 7,392.47 = 3,118.23 : x
  2. Step 2: Convert to fraction form
    5,358.15/7,392.47 = 3,118.23/x
  3. Step 3: Cross multiply
    5,358.15x = 7,392.47 × 3,118.23
  4. Step 4: Simplify right side
    5,358.15x = 23,051,406.14
  5. Step 5: Solve for x
    x = 23,051,406.14/5,358.15
  6. Step 6: Final answer
    x = 4,302.12

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Double scale
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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.