Home / 5,124.02-7,689.66-2,203.16

Finding the Fourth Proportional to 5,124.02, 7,689.66 and 2,203.16

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Solution

The fourth proportional to 5,124.02, 7,689.66 and 2,203.16 is: 3,306.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,124.02 : 7,689.66 = 2,203.16 : x
  2. Step 2: Convert to fraction form
    5,124.02/7,689.66 = 2,203.16/x
  3. Step 3: Cross multiply
    5,124.02x = 7,689.66 × 2,203.16
  4. Step 4: Simplify right side
    5,124.02x = 16,941,512.88
  5. Step 5: Solve for x
    x = 16,941,512.88/5,124.02
  6. Step 6: Final answer
    x = 3,306.30

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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.