Home / 8,869.50-13,304.25-4,974.21

Finding the Fourth Proportional to 8,869.50, 13,304.25 and 4,974.21

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Solution

The fourth proportional to 8,869.50, 13,304.25 and 4,974.21 is: 7,461.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,869.50 : 13,304.25 = 4,974.21 : x
  2. Step 2: Convert to fraction form
    8,869.50/13,304.25 = 4,974.21/x
  3. Step 3: Cross multiply
    8,869.50x = 13,304.25 × 4,974.21
  4. Step 4: Simplify right side
    8,869.50x = 66,178,133.39
  5. Step 5: Solve for x
    x = 66,178,133.39/8,869.50
  6. Step 6: Final answer
    x = 7,461.32

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Double scale
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Similar ratio
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1.5x scale

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.