Home / 5,040.40-7,560.30-1,342.72

Finding the Fourth Proportional to 5,040.40, 7,560.30 and 1,342.72

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Solution

The fourth proportional to 5,040.40, 7,560.30 and 1,342.72 is: 2,014.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,040.40 : 7,560.30 = 1,342.72 : x
  2. Step 2: Convert to fraction form
    5,040.40/7,560.30 = 1,342.72/x
  3. Step 3: Cross multiply
    5,040.40x = 7,560.30 × 1,342.72
  4. Step 4: Simplify right side
    5,040.40x = 10,151,366.02
  5. Step 5: Solve for x
    x = 10,151,366.02/5,040.40
  6. Step 6: Final answer
    x = 2,014.00

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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.