Home / 7,275.57-10,046.21-5,931.39

Finding the Fourth Proportional to 7,275.57, 10,046.21 and 5,931.39

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Solution

The fourth proportional to 7,275.57, 10,046.21 and 5,931.39 is: 8,190.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,275.57 : 10,046.21 = 5,931.39 : x
  2. Step 2: Convert to fraction form
    7,275.57/10,046.21 = 5,931.39/x
  3. Step 3: Cross multiply
    7,275.57x = 10,046.21 × 5,931.39
  4. Step 4: Simplify right side
    7,275.57x = 59,587,989.53
  5. Step 5: Solve for x
    x = 59,587,989.53/7,275.57
  6. Step 6: Final answer
    x = 8,190.15

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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.