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Finding the Fourth Proportional to 5,658.54, 8,488.62 and 1,763.26

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Solution

The fourth proportional to 5,658.54, 8,488.62 and 1,763.26 is: 2,645.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,658.54 : 8,488.62 = 1,763.26 : x
  2. Step 2: Convert to fraction form
    5,658.54/8,488.62 = 1,763.26/x
  3. Step 3: Cross multiply
    5,658.54x = 8,488.62 × 1,763.26
  4. Step 4: Simplify right side
    5,658.54x = 14,967,644.10
  5. Step 5: Solve for x
    x = 14,967,644.10/5,658.54
  6. Step 6: Final answer
    x = 2,645.14

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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.