Home / 8,258.40-12,382.56-3,060

Finding the Fourth Proportional to 8,258.40, 12,382.56 and 3,060

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Solution

The fourth proportional to 8,258.40, 12,382.56 and 3,060 is: 4,588.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,258.40 : 12,382.56 = 3,060 : x
  2. Step 2: Convert to fraction form
    8,258.40/12,382.56 = 3,060/x
  3. Step 3: Cross multiply
    8,258.40x = 12,382.56 × 3,060
  4. Step 4: Simplify right side
    8,258.40x = 37,890,633.60
  5. Step 5: Solve for x
    x = 37,890,633.60/8,258.40
  6. Step 6: Final answer
    x = 4,588.13

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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.