Home / 4,770.42-7,115.95-3,995.43

Finding the Fourth Proportional to 4,770.42, 7,115.95 and 3,995.43

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Solution

The fourth proportional to 4,770.42, 7,115.95 and 3,995.43 is: 5,959.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,770.42 : 7,115.95 = 3,995.43 : x
  2. Step 2: Convert to fraction form
    4,770.42/7,115.95 = 3,995.43/x
  3. Step 3: Cross multiply
    4,770.42x = 7,115.95 × 3,995.43
  4. Step 4: Simplify right side
    4,770.42x = 28,431,280.11
  5. Step 5: Solve for x
    x = 28,431,280.11/4,770.42
  6. Step 6: Final answer
    x = 5,959.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.