Home / 7,490.54-10,332.15-4,507.31

Finding the Fourth Proportional to 7,490.54, 10,332.15 and 4,507.31

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Solution

The fourth proportional to 7,490.54, 10,332.15 and 4,507.31 is: 6,217.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,490.54 : 10,332.15 = 4,507.31 : x
  2. Step 2: Convert to fraction form
    7,490.54/10,332.15 = 4,507.31/x
  3. Step 3: Cross multiply
    7,490.54x = 10,332.15 × 4,507.31
  4. Step 4: Simplify right side
    7,490.54x = 46,570,203.02
  5. Step 5: Solve for x
    x = 46,570,203.02/7,490.54
  6. Step 6: Final answer
    x = 6,217.20

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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.