Home / 8,810.89-12,154.88-5,452.47

Finding the Fourth Proportional to 8,810.89, 12,154.88 and 5,452.47

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Solution

The fourth proportional to 8,810.89, 12,154.88 and 5,452.47 is: 7,521.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,810.89 : 12,154.88 = 5,452.47 : x
  2. Step 2: Convert to fraction form
    8,810.89/12,154.88 = 5,452.47/x
  3. Step 3: Cross multiply
    8,810.89x = 12,154.88 × 5,452.47
  4. Step 4: Simplify right side
    8,810.89x = 66,274,132.18
  5. Step 5: Solve for x
    x = 66,274,132.18/8,810.89
  6. Step 6: Final answer
    x = 7,521.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.