Home / 5,177.60-7,765.58-1,714.85

Finding the Fourth Proportional to 5,177.60, 7,765.58 and 1,714.85

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Solution

The fourth proportional to 5,177.60, 7,765.58 and 1,714.85 is: 2,572.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177.60 : 7,765.58 = 1,714.85 : x
  2. Step 2: Convert to fraction form
    5,177.60/7,765.58 = 1,714.85/x
  3. Step 3: Cross multiply
    5,177.60x = 7,765.58 × 1,714.85
  4. Step 4: Simplify right side
    5,177.60x = 13,316,766.04
  5. Step 5: Solve for x
    x = 13,316,766.04/5,177.60
  6. Step 6: Final answer
    x = 2,572.00

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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.