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Finding the Fourth Proportional to 5,869.24, 8,791.62 and 3,521.80

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Solution

The fourth proportional to 5,869.24, 8,791.62 and 3,521.80 is: 5,275.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,869.24 : 8,791.62 = 3,521.80 : x
  2. Step 2: Convert to fraction form
    5,869.24/8,791.62 = 3,521.80/x
  3. Step 3: Cross multiply
    5,869.24x = 8,791.62 × 3,521.80
  4. Step 4: Simplify right side
    5,869.24x = 30,962,327.32
  5. Step 5: Solve for x
    x = 30,962,327.32/5,869.24
  6. Step 6: Final answer
    x = 5,275.36

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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.