Home / 4,947.12-7,419.60-2,313

Finding the Fourth Proportional to 4,947.12, 7,419.60 and 2,313

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Solution

The fourth proportional to 4,947.12, 7,419.60 and 2,313 is: 3,469.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,947.12 : 7,419.60 = 2,313 : x
  2. Step 2: Convert to fraction form
    4,947.12/7,419.60 = 2,313/x
  3. Step 3: Cross multiply
    4,947.12x = 7,419.60 × 2,313
  4. Step 4: Simplify right side
    4,947.12x = 17,161,534.80
  5. Step 5: Solve for x
    x = 17,161,534.80/4,947.12
  6. Step 6: Final answer
    x = 3,469.00

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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.