Home / 8,295.36-12,443.28-3,100.24

Finding the Fourth Proportional to 8,295.36, 12,443.28 and 3,100.24

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Solution

The fourth proportional to 8,295.36, 12,443.28 and 3,100.24 is: 4,650.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,295.36 : 12,443.28 = 3,100.24 : x
  2. Step 2: Convert to fraction form
    8,295.36/12,443.28 = 3,100.24/x
  3. Step 3: Cross multiply
    8,295.36x = 12,443.28 × 3,100.24
  4. Step 4: Simplify right side
    8,295.36x = 38,577,154.39
  5. Step 5: Solve for x
    x = 38,577,154.39/8,295.36
  6. Step 6: Final answer
    x = 4,650.45

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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.