Home / 8,422.29-12,633.93-3,492.30

Finding the Fourth Proportional to 8,422.29, 12,633.93 and 3,492.30

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Solution

The fourth proportional to 8,422.29, 12,633.93 and 3,492.30 is: 5,238.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,422.29 : 12,633.93 = 3,492.30 : x
  2. Step 2: Convert to fraction form
    8,422.29/12,633.93 = 3,492.30/x
  3. Step 3: Cross multiply
    8,422.29x = 12,633.93 × 3,492.30
  4. Step 4: Simplify right side
    8,422.29x = 44,121,473.74
  5. Step 5: Solve for x
    x = 44,121,473.74/8,422.29
  6. Step 6: Final answer
    x = 5,238.66

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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.