Home / 5,557.92-8,336.40-1,663.20

Finding the Fourth Proportional to 5,557.92, 8,336.40 and 1,663.20

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Solution

The fourth proportional to 5,557.92, 8,336.40 and 1,663.20 is: 2,494.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,557.92 : 8,336.40 = 1,663.20 : x
  2. Step 2: Convert to fraction form
    5,557.92/8,336.40 = 1,663.20/x
  3. Step 3: Cross multiply
    5,557.92x = 8,336.40 × 1,663.20
  4. Step 4: Simplify right side
    5,557.92x = 13,865,100.48
  5. Step 5: Solve for x
    x = 13,865,100.48/5,557.92
  6. Step 6: Final answer
    x = 2,494.66

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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.