Home / 8,250.60-11,385.90-4,714.32

Finding the Fourth Proportional to 8,250.60, 11,385.90 and 4,714.32

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Solution

The fourth proportional to 8,250.60, 11,385.90 and 4,714.32 is: 6,505.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,250.60 : 11,385.90 = 4,714.32 : x
  2. Step 2: Convert to fraction form
    8,250.60/11,385.90 = 4,714.32/x
  3. Step 3: Cross multiply
    8,250.60x = 11,385.90 × 4,714.32
  4. Step 4: Simplify right side
    8,250.60x = 53,676,776.09
  5. Step 5: Solve for x
    x = 53,676,776.09/8,250.60
  6. Step 6: Final answer
    x = 6,505.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.