Home / 8,314.08-12,471.21-2,615.13

Finding the Fourth Proportional to 8,314.08, 12,471.21 and 2,615.13

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Solution

The fourth proportional to 8,314.08, 12,471.21 and 2,615.13 is: 3,922.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,314.08 : 12,471.21 = 2,615.13 : x
  2. Step 2: Convert to fraction form
    8,314.08/12,471.21 = 2,615.13/x
  3. Step 3: Cross multiply
    8,314.08x = 12,471.21 × 2,615.13
  4. Step 4: Simplify right side
    8,314.08x = 32,613,835.41
  5. Step 5: Solve for x
    x = 32,613,835.41/8,314.08
  6. Step 6: Final answer
    x = 3,922.72

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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.