Home / 5,569.50-8,354.10-1,872.02

Finding the Fourth Proportional to 5,569.50, 8,354.10 and 1,872.02

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Solution

The fourth proportional to 5,569.50, 8,354.10 and 1,872.02 is: 2,807.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,569.50 : 8,354.10 = 1,872.02 : x
  2. Step 2: Convert to fraction form
    5,569.50/8,354.10 = 1,872.02/x
  3. Step 3: Cross multiply
    5,569.50x = 8,354.10 × 1,872.02
  4. Step 4: Simplify right side
    5,569.50x = 15,639,042.28
  5. Step 5: Solve for x
    x = 15,639,042.28/5,569.50
  6. Step 6: Final answer
    x = 2,807.98

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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.