Home / 4,947.72-7,423.77-2,607.15

Finding the Fourth Proportional to 4,947.72, 7,423.77 and 2,607.15

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Solution

The fourth proportional to 4,947.72, 7,423.77 and 2,607.15 is: 3,911.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,947.72 : 7,423.77 = 2,607.15 : x
  2. Step 2: Convert to fraction form
    4,947.72/7,423.77 = 2,607.15/x
  3. Step 3: Cross multiply
    4,947.72x = 7,423.77 × 2,607.15
  4. Step 4: Simplify right side
    4,947.72x = 19,354,881.96
  5. Step 5: Solve for x
    x = 19,354,881.96/4,947.72
  6. Step 6: Final answer
    x = 3,911.88

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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.