Home / 8,416.30-12,625.35-3,153.82

Finding the Fourth Proportional to 8,416.30, 12,625.35 and 3,153.82

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Solution

The fourth proportional to 8,416.30, 12,625.35 and 3,153.82 is: 4,731.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,416.30 : 12,625.35 = 3,153.82 : x
  2. Step 2: Convert to fraction form
    8,416.30/12,625.35 = 3,153.82/x
  3. Step 3: Cross multiply
    8,416.30x = 12,625.35 × 3,153.82
  4. Step 4: Simplify right side
    8,416.30x = 39,818,081.34
  5. Step 5: Solve for x
    x = 39,818,081.34/8,416.30
  6. Step 6: Final answer
    x = 4,731.07

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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.