Home / 5,040.48-7,560.72-1,578

Finding the Fourth Proportional to 5,040.48, 7,560.72 and 1,578

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Solution

The fourth proportional to 5,040.48, 7,560.72 and 1,578 is: 2,367.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,040.48 : 7,560.72 = 1,578 : x
  2. Step 2: Convert to fraction form
    5,040.48/7,560.72 = 1,578/x
  3. Step 3: Cross multiply
    5,040.48x = 7,560.72 × 1,578
  4. Step 4: Simplify right side
    5,040.48x = 11,930,816.16
  5. Step 5: Solve for x
    x = 11,930,816.16/5,040.48
  6. Step 6: Final answer
    x = 2,367.00

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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.