Home / 4,379.31-6,040.02-2,807.55

Finding the Fourth Proportional to 4,379.31, 6,040.02 and 2,807.55

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Solution

The fourth proportional to 4,379.31, 6,040.02 and 2,807.55 is: 3,872.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,379.31 : 6,040.02 = 2,807.55 : x
  2. Step 2: Convert to fraction form
    4,379.31/6,040.02 = 2,807.55/x
  3. Step 3: Cross multiply
    4,379.31x = 6,040.02 × 2,807.55
  4. Step 4: Simplify right side
    4,379.31x = 16,957,658.15
  5. Step 5: Solve for x
    x = 16,957,658.15/4,379.31
  6. Step 6: Final answer
    x = 3,872.22

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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.