Home / 8,756.20-12,083.73-4,777.42

Finding the Fourth Proportional to 8,756.20, 12,083.73 and 4,777.42

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Solution

The fourth proportional to 8,756.20, 12,083.73 and 4,777.42 is: 6,592.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,756.20 : 12,083.73 = 4,777.42 : x
  2. Step 2: Convert to fraction form
    8,756.20/12,083.73 = 4,777.42/x
  3. Step 3: Cross multiply
    8,756.20x = 12,083.73 × 4,777.42
  4. Step 4: Simplify right side
    8,756.20x = 57,729,053.38
  5. Step 5: Solve for x
    x = 57,729,053.38/8,756.20
  6. Step 6: Final answer
    x = 6,592.93

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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.