Home / 8,780.08-13,152.75-4,613.86

Finding the Fourth Proportional to 8,780.08, 13,152.75 and 4,613.86

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Solution

The fourth proportional to 8,780.08, 13,152.75 and 4,613.86 is: 6,911.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,780.08 : 13,152.75 = 4,613.86 : x
  2. Step 2: Convert to fraction form
    8,780.08/13,152.75 = 4,613.86/x
  3. Step 3: Cross multiply
    8,780.08x = 13,152.75 × 4,613.86
  4. Step 4: Simplify right side
    8,780.08x = 60,684,947.12
  5. Step 5: Solve for x
    x = 60,684,947.12/8,780.08
  6. Step 6: Final answer
    x = 6,911.66

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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.