Home / 8,427.16-12,640.92-2,583.64

Finding the Fourth Proportional to 8,427.16, 12,640.92 and 2,583.64

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Solution

The fourth proportional to 8,427.16, 12,640.92 and 2,583.64 is: 3,875.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,427.16 : 12,640.92 = 2,583.64 : x
  2. Step 2: Convert to fraction form
    8,427.16/12,640.92 = 2,583.64/x
  3. Step 3: Cross multiply
    8,427.16x = 12,640.92 × 2,583.64
  4. Step 4: Simplify right side
    8,427.16x = 32,659,586.55
  5. Step 5: Solve for x
    x = 32,659,586.55/8,427.16
  6. Step 6: Final answer
    x = 3,875.52

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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.