Home / 8,451.74-12,677.69-3,521.36

Finding the Fourth Proportional to 8,451.74, 12,677.69 and 3,521.36

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Solution

The fourth proportional to 8,451.74, 12,677.69 and 3,521.36 is: 5,282.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,451.74 : 12,677.69 = 3,521.36 : x
  2. Step 2: Convert to fraction form
    8,451.74/12,677.69 = 3,521.36/x
  3. Step 3: Cross multiply
    8,451.74x = 12,677.69 × 3,521.36
  4. Step 4: Simplify right side
    8,451.74x = 44,642,750.96
  5. Step 5: Solve for x
    x = 44,642,750.96/8,451.74
  6. Step 6: Final answer
    x = 5,282.08

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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.