Home / 8,257.42-11,395.26-4,722.70

Finding the Fourth Proportional to 8,257.42, 11,395.26 and 4,722.70

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Solution

The fourth proportional to 8,257.42, 11,395.26 and 4,722.70 is: 6,517.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,257.42 : 11,395.26 = 4,722.70 : x
  2. Step 2: Convert to fraction form
    8,257.42/11,395.26 = 4,722.70/x
  3. Step 3: Cross multiply
    8,257.42x = 11,395.26 × 4,722.70
  4. Step 4: Simplify right side
    8,257.42x = 53,816,394.40
  5. Step 5: Solve for x
    x = 53,816,394.40/8,257.42
  6. Step 6: Final answer
    x = 6,517.34

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Half scale
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Double scale
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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.