Home / 7,477.00-10,318.15-4,290.23

Finding the Fourth Proportional to 7,477.00, 10,318.15 and 4,290.23

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Solution

The fourth proportional to 7,477.00, 10,318.15 and 4,290.23 is: 5,920.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,477.00 : 10,318.15 = 4,290.23 : x
  2. Step 2: Convert to fraction form
    7,477.00/10,318.15 = 4,290.23/x
  3. Step 3: Cross multiply
    7,477.00x = 10,318.15 × 4,290.23
  4. Step 4: Simplify right side
    7,477.00x = 44,267,174.36
  5. Step 5: Solve for x
    x = 44,267,174.36/7,477.00
  6. Step 6: Final answer
    x = 5,920.45

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Half scale
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Double scale
Find fourth proportional to 7,478, 10,319.53 and 4,291.23
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.