Home / 8,601.36-12,905.96-5,098.28

Finding the Fourth Proportional to 8,601.36, 12,905.96 and 5,098.28

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Solution

The fourth proportional to 8,601.36, 12,905.96 and 5,098.28 is: 7,649.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,601.36 : 12,905.96 = 5,098.28 : x
  2. Step 2: Convert to fraction form
    8,601.36/12,905.96 = 5,098.28/x
  3. Step 3: Cross multiply
    8,601.36x = 12,905.96 × 5,098.28
  4. Step 4: Simplify right side
    8,601.36x = 65,798,197.75
  5. Step 5: Solve for x
    x = 65,798,197.75/8,601.36
  6. Step 6: Final answer
    x = 7,649.74

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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.