Home / 5,144.40-7,097.88-3,047.76

Finding the Fourth Proportional to 5,144.40, 7,097.88 and 3,047.76

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Solution

The fourth proportional to 5,144.40, 7,097.88 and 3,047.76 is: 4,205.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,144.40 : 7,097.88 = 3,047.76 : x
  2. Step 2: Convert to fraction form
    5,144.40/7,097.88 = 3,047.76/x
  3. Step 3: Cross multiply
    5,144.40x = 7,097.88 × 3,047.76
  4. Step 4: Simplify right side
    5,144.40x = 21,632,634.75
  5. Step 5: Solve for x
    x = 21,632,634.75/5,144.40
  6. Step 6: Final answer
    x = 4,205.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.