Home / 5,040.08-7,561.20-1,921.04

Finding the Fourth Proportional to 5,040.08, 7,561.20 and 1,921.04

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Solution

The fourth proportional to 5,040.08, 7,561.20 and 1,921.04 is: 2,881.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,040.08 : 7,561.20 = 1,921.04 : x
  2. Step 2: Convert to fraction form
    5,040.08/7,561.20 = 1,921.04/x
  3. Step 3: Cross multiply
    5,040.08x = 7,561.20 × 1,921.04
  4. Step 4: Simplify right side
    5,040.08x = 14,525,367.65
  5. Step 5: Solve for x
    x = 14,525,367.65/5,040.08
  6. Step 6: Final answer
    x = 2,881.97

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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.