Home / 8,756.46-12,083.82-4,777.74

Finding the Fourth Proportional to 8,756.46, 12,083.82 and 4,777.74

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Solution

The fourth proportional to 8,756.46, 12,083.82 and 4,777.74 is: 6,593.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,756.46 : 12,083.82 = 4,777.74 : x
  2. Step 2: Convert to fraction form
    8,756.46/12,083.82 = 4,777.74/x
  3. Step 3: Cross multiply
    8,756.46x = 12,083.82 × 4,777.74
  4. Step 4: Simplify right side
    8,756.46x = 57,733,350.17
  5. Step 5: Solve for x
    x = 57,733,350.17/8,756.46
  6. Step 6: Final answer
    x = 6,593.23

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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.