Home / 8,427.47-12,640.12-2,583.59

Finding the Fourth Proportional to 8,427.47, 12,640.12 and 2,583.59

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Solution

The fourth proportional to 8,427.47, 12,640.12 and 2,583.59 is: 3,875.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,427.47 : 12,640.12 = 2,583.59 : x
  2. Step 2: Convert to fraction form
    8,427.47/12,640.12 = 2,583.59/x
  3. Step 3: Cross multiply
    8,427.47x = 12,640.12 × 2,583.59
  4. Step 4: Simplify right side
    8,427.47x = 32,656,817.97
  5. Step 5: Solve for x
    x = 32,656,817.97/8,427.47
  6. Step 6: Final answer
    x = 3,875.05

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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.