Home / 5,392.31-7,441.20-3,034.40

Finding the Fourth Proportional to 5,392.31, 7,441.20 and 3,034.40

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Solution

The fourth proportional to 5,392.31, 7,441.20 and 3,034.40 is: 4,187.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,392.31 : 7,441.20 = 3,034.40 : x
  2. Step 2: Convert to fraction form
    5,392.31/7,441.20 = 3,034.40/x
  3. Step 3: Cross multiply
    5,392.31x = 7,441.20 × 3,034.40
  4. Step 4: Simplify right side
    5,392.31x = 22,579,540.07
  5. Step 5: Solve for x
    x = 22,579,540.07/5,392.31
  6. Step 6: Final answer
    x = 4,187.36

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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.