Home / 8,618.30-12,924.26-3,070.17

Finding the Fourth Proportional to 8,618.30, 12,924.26 and 3,070.17

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Solution

The fourth proportional to 8,618.30, 12,924.26 and 3,070.17 is: 4,604.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,618.30 : 12,924.26 = 3,070.17 : x
  2. Step 2: Convert to fraction form
    8,618.30/12,924.26 = 3,070.17/x
  3. Step 3: Cross multiply
    8,618.30x = 12,924.26 × 3,070.17
  4. Step 4: Simplify right side
    8,618.30x = 39,679,659.97
  5. Step 5: Solve for x
    x = 39,679,659.97/8,618.30
  6. Step 6: Final answer
    x = 4,604.12

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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.