Home / 5,659.28-8,488.52-1,763.20

Finding the Fourth Proportional to 5,659.28, 8,488.52 and 1,763.20

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Solution

The fourth proportional to 5,659.28, 8,488.52 and 1,763.20 is: 2,644.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,659.28 : 8,488.52 = 1,763.20 : x
  2. Step 2: Convert to fraction form
    5,659.28/8,488.52 = 1,763.20/x
  3. Step 3: Cross multiply
    5,659.28x = 8,488.52 × 1,763.20
  4. Step 4: Simplify right side
    5,659.28x = 14,966,958.46
  5. Step 5: Solve for x
    x = 14,966,958.46/5,659.28
  6. Step 6: Final answer
    x = 2,644.68

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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.