Home / 5,631.02-8,439.34-2,669.46

Finding the Fourth Proportional to 5,631.02, 8,439.34 and 2,669.46

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Solution

The fourth proportional to 5,631.02, 8,439.34 and 2,669.46 is: 4,000.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,631.02 : 8,439.34 = 2,669.46 : x
  2. Step 2: Convert to fraction form
    5,631.02/8,439.34 = 2,669.46/x
  3. Step 3: Cross multiply
    5,631.02x = 8,439.34 × 2,669.46
  4. Step 4: Simplify right side
    5,631.02x = 22,528,447.24
  5. Step 5: Solve for x
    x = 22,528,447.24/5,631.02
  6. Step 6: Final answer
    x = 4,000.78

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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.