Home / 5,712.02-8,569.40-1,816.43

Finding the Fourth Proportional to 5,712.02, 8,569.40 and 1,816.43

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Solution

The fourth proportional to 5,712.02, 8,569.40 and 1,816.43 is: 2,725.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,712.02 : 8,569.40 = 1,816.43 : x
  2. Step 2: Convert to fraction form
    5,712.02/8,569.40 = 1,816.43/x
  3. Step 3: Cross multiply
    5,712.02x = 8,569.40 × 1,816.43
  4. Step 4: Simplify right side
    5,712.02x = 15,565,715.24
  5. Step 5: Solve for x
    x = 15,565,715.24/5,712.02
  6. Step 6: Final answer
    x = 2,725.08

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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.