Home / 8,278.90-11,425.01-4,502.14

Finding the Fourth Proportional to 8,278.90, 11,425.01 and 4,502.14

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Solution

The fourth proportional to 8,278.90, 11,425.01 and 4,502.14 is: 6,213.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,278.90 : 11,425.01 = 4,502.14 : x
  2. Step 2: Convert to fraction form
    8,278.90/11,425.01 = 4,502.14/x
  3. Step 3: Cross multiply
    8,278.90x = 11,425.01 × 4,502.14
  4. Step 4: Simplify right side
    8,278.90x = 51,436,994.52
  5. Step 5: Solve for x
    x = 51,436,994.52/8,278.90
  6. Step 6: Final answer
    x = 6,213.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.