Home / 8,251.32-12,376.98-2,408.40

Finding the Fourth Proportional to 8,251.32, 12,376.98 and 2,408.40

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Solution

The fourth proportional to 8,251.32, 12,376.98 and 2,408.40 is: 3,612.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,251.32 : 12,376.98 = 2,408.40 : x
  2. Step 2: Convert to fraction form
    8,251.32/12,376.98 = 2,408.40/x
  3. Step 3: Cross multiply
    8,251.32x = 12,376.98 × 2,408.40
  4. Step 4: Simplify right side
    8,251.32x = 29,808,718.63
  5. Step 5: Solve for x
    x = 29,808,718.63/8,251.32
  6. Step 6: Final answer
    x = 3,612.60

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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.