Home / 5,531.30-8,298.34-1,635.70

Finding the Fourth Proportional to 5,531.30, 8,298.34 and 1,635.70

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Solution

The fourth proportional to 5,531.30, 8,298.34 and 1,635.70 is: 2,453.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,531.30 : 8,298.34 = 1,635.70 : x
  2. Step 2: Convert to fraction form
    5,531.30/8,298.34 = 1,635.70/x
  3. Step 3: Cross multiply
    5,531.30x = 8,298.34 × 1,635.70
  4. Step 4: Simplify right side
    5,531.30x = 13,573,594.74
  5. Step 5: Solve for x
    x = 13,573,594.74/5,531.30
  6. Step 6: Final answer
    x = 2,453.96

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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.