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Finding the Fourth Proportional to 8,332.40, 12,499.80 and 4,437.10

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Solution

The fourth proportional to 8,332.40, 12,499.80 and 4,437.10 is: 6,656.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,332.40 : 12,499.80 = 4,437.10 : x
  2. Step 2: Convert to fraction form
    8,332.40/12,499.80 = 4,437.10/x
  3. Step 3: Cross multiply
    8,332.40x = 12,499.80 × 4,437.10
  4. Step 4: Simplify right side
    8,332.40x = 55,462,862.58
  5. Step 5: Solve for x
    x = 55,462,862.58/8,332.40
  6. Step 6: Final answer
    x = 6,656.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.