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Finding the Fourth Proportional to 5,658.96, 8,488.96 and 1,763.36

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Solution

The fourth proportional to 5,658.96, 8,488.96 and 1,763.36 is: 2,645.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,658.96 : 8,488.96 = 1,763.36 : x
  2. Step 2: Convert to fraction form
    5,658.96/8,488.96 = 1,763.36/x
  3. Step 3: Cross multiply
    5,658.96x = 8,488.96 × 1,763.36
  4. Step 4: Simplify right side
    5,658.96x = 14,969,092.51
  5. Step 5: Solve for x
    x = 14,969,092.51/5,658.96
  6. Step 6: Final answer
    x = 2,645.20

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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.