Home / 4,332.98-6,470.24-4,287.20

Finding the Fourth Proportional to 4,332.98, 6,470.24 and 4,287.20

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Solution

The fourth proportional to 4,332.98, 6,470.24 and 4,287.20 is: 6,401.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,332.98 : 6,470.24 = 4,287.20 : x
  2. Step 2: Convert to fraction form
    4,332.98/6,470.24 = 4,287.20/x
  3. Step 3: Cross multiply
    4,332.98x = 6,470.24 × 4,287.20
  4. Step 4: Simplify right side
    4,332.98x = 27,739,212.93
  5. Step 5: Solve for x
    x = 27,739,212.93/4,332.98
  6. Step 6: Final answer
    x = 6,401.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.