Home / 5,657.04-8,486.40-1,761.76

Finding the Fourth Proportional to 5,657.04, 8,486.40 and 1,761.76

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Solution

The fourth proportional to 5,657.04, 8,486.40 and 1,761.76 is: 2,642.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,657.04 : 8,486.40 = 1,761.76 : x
  2. Step 2: Convert to fraction form
    5,657.04/8,486.40 = 1,761.76/x
  3. Step 3: Cross multiply
    5,657.04x = 8,486.40 × 1,761.76
  4. Step 4: Simplify right side
    5,657.04x = 14,951,000.06
  5. Step 5: Solve for x
    x = 14,951,000.06/5,657.04
  6. Step 6: Final answer
    x = 2,642.90

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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.