Home / 7,581.88-11,372.43-2,904.13

Finding the Fourth Proportional to 7,581.88, 11,372.43 and 2,904.13

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Solution

The fourth proportional to 7,581.88, 11,372.43 and 2,904.13 is: 4,356.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,581.88 : 11,372.43 = 2,904.13 : x
  2. Step 2: Convert to fraction form
    7,581.88/11,372.43 = 2,904.13/x
  3. Step 3: Cross multiply
    7,581.88x = 11,372.43 × 2,904.13
  4. Step 4: Simplify right side
    7,581.88x = 33,027,040.24
  5. Step 5: Solve for x
    x = 33,027,040.24/7,581.88
  6. Step 6: Final answer
    x = 4,356.05

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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.