Home / 8,884.48-12,262.08-5,160.64

Finding the Fourth Proportional to 8,884.48, 12,262.08 and 5,160.64

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Solution

The fourth proportional to 8,884.48, 12,262.08 and 5,160.64 is: 7,122.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,884.48 : 12,262.08 = 5,160.64 : x
  2. Step 2: Convert to fraction form
    8,884.48/12,262.08 = 5,160.64/x
  3. Step 3: Cross multiply
    8,884.48x = 12,262.08 × 5,160.64
  4. Step 4: Simplify right side
    8,884.48x = 63,280,180.53
  5. Step 5: Solve for x
    x = 63,280,180.53/8,884.48
  6. Step 6: Final answer
    x = 7,122.55

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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.