Home / 8,154.54-12,231.20-2,606.24

Finding the Fourth Proportional to 8,154.54, 12,231.20 and 2,606.24

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Solution

The fourth proportional to 8,154.54, 12,231.20 and 2,606.24 is: 3,909.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,154.54 : 12,231.20 = 2,606.24 : x
  2. Step 2: Convert to fraction form
    8,154.54/12,231.20 = 2,606.24/x
  3. Step 3: Cross multiply
    8,154.54x = 12,231.20 × 2,606.24
  4. Step 4: Simplify right side
    8,154.54x = 31,877,479.78
  5. Step 5: Solve for x
    x = 31,877,479.78/8,154.54
  6. Step 6: Final answer
    x = 3,909.17

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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.