Home / 8,468.46-12,703.52-2,921.07

Finding the Fourth Proportional to 8,468.46, 12,703.52 and 2,921.07

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Solution

The fourth proportional to 8,468.46, 12,703.52 and 2,921.07 is: 4,381.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,468.46 : 12,703.52 = 2,921.07 : x
  2. Step 2: Convert to fraction form
    8,468.46/12,703.52 = 2,921.07/x
  3. Step 3: Cross multiply
    8,468.46x = 12,703.52 × 2,921.07
  4. Step 4: Simplify right side
    8,468.46x = 37,107,856.56
  5. Step 5: Solve for x
    x = 37,107,856.56/8,468.46
  6. Step 6: Final answer
    x = 4,381.89

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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.