Home / 8,869.32-12,240.53-6,627.30

Finding the Fourth Proportional to 8,869.32, 12,240.53 and 6,627.30

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Solution

The fourth proportional to 8,869.32, 12,240.53 and 6,627.30 is: 9,146.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,869.32 : 12,240.53 = 6,627.30 : x
  2. Step 2: Convert to fraction form
    8,869.32/12,240.53 = 6,627.30/x
  3. Step 3: Cross multiply
    8,869.32x = 12,240.53 × 6,627.30
  4. Step 4: Simplify right side
    8,869.32x = 81,121,631.33
  5. Step 5: Solve for x
    x = 81,121,631.33/8,869.32
  6. Step 6: Final answer
    x = 9,146.32

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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.