Home / 8,451.11-12,678.33-2,903.11

Finding the Fourth Proportional to 8,451.11, 12,678.33 and 2,903.11

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Solution

The fourth proportional to 8,451.11, 12,678.33 and 2,903.11 is: 4,355.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,451.11 : 12,678.33 = 2,903.11 : x
  2. Step 2: Convert to fraction form
    8,451.11/12,678.33 = 2,903.11/x
  3. Step 3: Cross multiply
    8,451.11x = 12,678.33 × 2,903.11
  4. Step 4: Simplify right side
    8,451.11x = 36,806,586.61
  5. Step 5: Solve for x
    x = 36,806,586.61/8,451.11
  6. Step 6: Final answer
    x = 4,355.24

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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.