Home / 8,401.78-11,591.94-4,864.87

Finding the Fourth Proportional to 8,401.78, 11,591.94 and 4,864.87

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Solution

The fourth proportional to 8,401.78, 11,591.94 and 4,864.87 is: 6,712.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,401.78 : 11,591.94 = 4,864.87 : x
  2. Step 2: Convert to fraction form
    8,401.78/11,591.94 = 4,864.87/x
  3. Step 3: Cross multiply
    8,401.78x = 11,591.94 × 4,864.87
  4. Step 4: Simplify right side
    8,401.78x = 56,393,281.15
  5. Step 5: Solve for x
    x = 56,393,281.15/8,401.78
  6. Step 6: Final answer
    x = 6,712.06

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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.