Home / 8,778.95-12,114.04-5,241.68

Finding the Fourth Proportional to 8,778.95, 12,114.04 and 5,241.68

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Solution

The fourth proportional to 8,778.95, 12,114.04 and 5,241.68 is: 7,232.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,778.95 : 12,114.04 = 5,241.68 : x
  2. Step 2: Convert to fraction form
    8,778.95/12,114.04 = 5,241.68/x
  3. Step 3: Cross multiply
    8,778.95x = 12,114.04 × 5,241.68
  4. Step 4: Simplify right side
    8,778.95x = 63,497,921.19
  5. Step 5: Solve for x
    x = 63,497,921.19/8,778.95
  6. Step 6: Final answer
    x = 7,232.97

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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.