Home / 5,040.72-6,958.76-3,153.42

Finding the Fourth Proportional to 5,040.72, 6,958.76 and 3,153.42

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Solution

The fourth proportional to 5,040.72, 6,958.76 and 3,153.42 is: 4,353.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,040.72 : 6,958.76 = 3,153.42 : x
  2. Step 2: Convert to fraction form
    5,040.72/6,958.76 = 3,153.42/x
  3. Step 3: Cross multiply
    5,040.72x = 6,958.76 × 3,153.42
  4. Step 4: Simplify right side
    5,040.72x = 21,943,877.19
  5. Step 5: Solve for x
    x = 21,943,877.19/5,040.72
  6. Step 6: Final answer
    x = 4,353.32

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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.