Home / 7,899.02-11,849.34-2,560.86

Finding the Fourth Proportional to 7,899.02, 11,849.34 and 2,560.86

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Solution

The fourth proportional to 7,899.02, 11,849.34 and 2,560.86 is: 3,841.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,899.02 : 11,849.34 = 2,560.86 : x
  2. Step 2: Convert to fraction form
    7,899.02/11,849.34 = 2,560.86/x
  3. Step 3: Cross multiply
    7,899.02x = 11,849.34 × 2,560.86
  4. Step 4: Simplify right side
    7,899.02x = 30,344,500.83
  5. Step 5: Solve for x
    x = 30,344,500.83/7,899.02
  6. Step 6: Final answer
    x = 3,841.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.