Home / 7,487.17-10,332.39-4,130.12

Finding the Fourth Proportional to 7,487.17, 10,332.39 and 4,130.12

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Solution

The fourth proportional to 7,487.17, 10,332.39 and 4,130.12 is: 5,699.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,487.17 : 10,332.39 = 4,130.12 : x
  2. Step 2: Convert to fraction form
    7,487.17/10,332.39 = 4,130.12/x
  3. Step 3: Cross multiply
    7,487.17x = 10,332.39 × 4,130.12
  4. Step 4: Simplify right side
    7,487.17x = 42,674,051.91
  5. Step 5: Solve for x
    x = 42,674,051.91/7,487.17
  6. Step 6: Final answer
    x = 5,699.63

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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.