Home / 5,040.97-7,560.30-1,921.33

Finding the Fourth Proportional to 5,040.97, 7,560.30 and 1,921.33

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Solution

The fourth proportional to 5,040.97, 7,560.30 and 1,921.33 is: 2,881.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,040.97 : 7,560.30 = 1,921.33 : x
  2. Step 2: Convert to fraction form
    5,040.97/7,560.30 = 1,921.33/x
  3. Step 3: Cross multiply
    5,040.97x = 7,560.30 × 1,921.33
  4. Step 4: Simplify right side
    5,040.97x = 14,525,831.20
  5. Step 5: Solve for x
    x = 14,525,831.20/5,040.97
  6. Step 6: Final answer
    x = 2,881.55

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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.