Home / 8,779.08-13,151.25-4,612.86

Finding the Fourth Proportional to 8,779.08, 13,151.25 and 4,612.86

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Solution

The fourth proportional to 8,779.08, 13,151.25 and 4,612.86 is: 6,910.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,779.08 : 13,151.25 = 4,612.86 : x
  2. Step 2: Convert to fraction form
    8,779.08/13,151.25 = 4,612.86/x
  3. Step 3: Cross multiply
    8,779.08x = 13,151.25 × 4,612.86
  4. Step 4: Simplify right side
    8,779.08x = 60,664,875.08
  5. Step 5: Solve for x
    x = 60,664,875.08/8,779.08
  6. Step 6: Final answer
    x = 6,910.16

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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.