Home / 8,314.19-12,471.50-2,390.84

Finding the Fourth Proportional to 8,314.19, 12,471.50 and 2,390.84

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Solution

The fourth proportional to 8,314.19, 12,471.50 and 2,390.84 is: 3,586.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,314.19 : 12,471.50 = 2,390.84 : x
  2. Step 2: Convert to fraction form
    8,314.19/12,471.50 = 2,390.84/x
  3. Step 3: Cross multiply
    8,314.19x = 12,471.50 × 2,390.84
  4. Step 4: Simplify right side
    8,314.19x = 29,817,361.06
  5. Step 5: Solve for x
    x = 29,817,361.06/8,314.19
  6. Step 6: Final answer
    x = 3,586.32

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Double scale
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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.