Home / 5,712.07-8,569.01-1,817.35

Finding the Fourth Proportional to 5,712.07, 8,569.01 and 1,817.35

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Solution

The fourth proportional to 5,712.07, 8,569.01 and 1,817.35 is: 2,726.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,712.07 : 8,569.01 = 1,817.35 : x
  2. Step 2: Convert to fraction form
    5,712.07/8,569.01 = 1,817.35/x
  3. Step 3: Cross multiply
    5,712.07x = 8,569.01 × 1,817.35
  4. Step 4: Simplify right side
    5,712.07x = 15,572,890.32
  5. Step 5: Solve for x
    x = 15,572,890.32/5,712.07
  6. Step 6: Final answer
    x = 2,726.31

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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.