Home / 8,712.16-13,043.88-4,543.04

Finding the Fourth Proportional to 8,712.16, 13,043.88 and 4,543.04

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Solution

The fourth proportional to 8,712.16, 13,043.88 and 4,543.04 is: 6,801.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,712.16 : 13,043.88 = 4,543.04 : x
  2. Step 2: Convert to fraction form
    8,712.16/13,043.88 = 4,543.04/x
  3. Step 3: Cross multiply
    8,712.16x = 13,043.88 × 4,543.04
  4. Step 4: Simplify right side
    8,712.16x = 59,258,868.60
  5. Step 5: Solve for x
    x = 59,258,868.60/8,712.16
  6. Step 6: Final answer
    x = 6,801.86

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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.