Home / 8,756.85-12,084.45-4,778.00

Finding the Fourth Proportional to 8,756.85, 12,084.45 and 4,778.00

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Solution

The fourth proportional to 8,756.85, 12,084.45 and 4,778.00 is: 6,593.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,756.85 : 12,084.45 = 4,778.00 : x
  2. Step 2: Convert to fraction form
    8,756.85/12,084.45 = 4,778.00/x
  3. Step 3: Cross multiply
    8,756.85x = 12,084.45 × 4,778.00
  4. Step 4: Simplify right side
    8,756.85x = 57,739,441.68
  5. Step 5: Solve for x
    x = 57,739,441.68/8,756.85
  6. Step 6: Final answer
    x = 6,593.63

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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.