Home / 7,486.97-10,332.07-4,129.88

Finding the Fourth Proportional to 7,486.97, 10,332.07 and 4,129.88

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Solution

The fourth proportional to 7,486.97, 10,332.07 and 4,129.88 is: 5,699.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,486.97 : 10,332.07 = 4,129.88 : x
  2. Step 2: Convert to fraction form
    7,486.97/10,332.07 = 4,129.88/x
  3. Step 3: Cross multiply
    7,486.97x = 10,332.07 × 4,129.88
  4. Step 4: Simplify right side
    7,486.97x = 42,670,147.27
  5. Step 5: Solve for x
    x = 42,670,147.27/7,486.97
  6. Step 6: Final answer
    x = 5,699.25

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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.