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Finding the Fourth Proportional to 5,773.29, 8,646.19 and 3,686.83

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Solution

The fourth proportional to 5,773.29, 8,646.19 and 3,686.83 is: 5,521.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,773.29 : 8,646.19 = 3,686.83 : x
  2. Step 2: Convert to fraction form
    5,773.29/8,646.19 = 3,686.83/x
  3. Step 3: Cross multiply
    5,773.29x = 8,646.19 × 3,686.83
  4. Step 4: Simplify right side
    5,773.29x = 31,876,971.01
  5. Step 5: Solve for x
    x = 31,876,971.01/5,773.29
  6. Step 6: Final answer
    x = 5,521.46

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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.