Home / 7,449.68-11,173.08-2,254.34

Finding the Fourth Proportional to 7,449.68, 11,173.08 and 2,254.34

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Solution

The fourth proportional to 7,449.68, 11,173.08 and 2,254.34 is: 3,381.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,449.68 : 11,173.08 = 2,254.34 : x
  2. Step 2: Convert to fraction form
    7,449.68/11,173.08 = 2,254.34/x
  3. Step 3: Cross multiply
    7,449.68x = 11,173.08 × 2,254.34
  4. Step 4: Simplify right side
    7,449.68x = 25,187,921.17
  5. Step 5: Solve for x
    x = 25,187,921.17/7,449.68
  6. Step 6: Final answer
    x = 3,381.07

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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.