Home / 5,712.04-8,569.38-1,816.42

Finding the Fourth Proportional to 5,712.04, 8,569.38 and 1,816.42

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Solution

The fourth proportional to 5,712.04, 8,569.38 and 1,816.42 is: 2,725.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,712.04 : 8,569.38 = 1,816.42 : x
  2. Step 2: Convert to fraction form
    5,712.04/8,569.38 = 1,816.42/x
  3. Step 3: Cross multiply
    5,712.04x = 8,569.38 × 1,816.42
  4. Step 4: Simplify right side
    5,712.04x = 15,565,593.22
  5. Step 5: Solve for x
    x = 15,565,593.22/5,712.04
  6. Step 6: Final answer
    x = 2,725.05

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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.