Home / 8,909.07-13,359.74-4,230.42

Finding the Fourth Proportional to 8,909.07, 13,359.74 and 4,230.42

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Solution

The fourth proportional to 8,909.07, 13,359.74 and 4,230.42 is: 6,343.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,909.07 : 13,359.74 = 4,230.42 : x
  2. Step 2: Convert to fraction form
    8,909.07/13,359.74 = 4,230.42/x
  3. Step 3: Cross multiply
    8,909.07x = 13,359.74 × 4,230.42
  4. Step 4: Simplify right side
    8,909.07x = 56,517,290.14
  5. Step 5: Solve for x
    x = 56,517,290.14/8,909.07
  6. Step 6: Final answer
    x = 6,343.79

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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.