Home / 8,885.92-13,337.52-4,272.16

Finding the Fourth Proportional to 8,885.92, 13,337.52 and 4,272.16

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Solution

The fourth proportional to 8,885.92, 13,337.52 and 4,272.16 is: 6,412.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,885.92 : 13,337.52 = 4,272.16 : x
  2. Step 2: Convert to fraction form
    8,885.92/13,337.52 = 4,272.16/x
  3. Step 3: Cross multiply
    8,885.92x = 13,337.52 × 4,272.16
  4. Step 4: Simplify right side
    8,885.92x = 56,980,019.44
  5. Step 5: Solve for x
    x = 56,980,019.44/8,885.92
  6. Step 6: Final answer
    x = 6,412.39

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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.