Home / 8,756.55-12,084.07-4,777.75

Finding the Fourth Proportional to 8,756.55, 12,084.07 and 4,777.75

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Solution

The fourth proportional to 8,756.55, 12,084.07 and 4,777.75 is: 6,593.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,756.55 : 12,084.07 = 4,777.75 : x
  2. Step 2: Convert to fraction form
    8,756.55/12,084.07 = 4,777.75/x
  3. Step 3: Cross multiply
    8,756.55x = 12,084.07 × 4,777.75
  4. Step 4: Simplify right side
    8,756.55x = 57,734,665.44
  5. Step 5: Solve for x
    x = 57,734,665.44/8,756.55
  6. Step 6: Final answer
    x = 6,593.31

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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.