Home / 7,486.91-10,332.02-4,129.85

Finding the Fourth Proportional to 7,486.91, 10,332.02 and 4,129.85

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Solution

The fourth proportional to 7,486.91, 10,332.02 and 4,129.85 is: 5,699.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,486.91 : 10,332.02 = 4,129.85 : x
  2. Step 2: Convert to fraction form
    7,486.91/10,332.02 = 4,129.85/x
  3. Step 3: Cross multiply
    7,486.91x = 10,332.02 × 4,129.85
  4. Step 4: Simplify right side
    7,486.91x = 42,669,651.46
  5. Step 5: Solve for x
    x = 42,669,651.46/7,486.91
  6. Step 6: Final answer
    x = 5,699.23

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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.