Home / 7,248.36-10,876.86-2,631.72

Finding the Fourth Proportional to 7,248.36, 10,876.86 and 2,631.72

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Solution

The fourth proportional to 7,248.36, 10,876.86 and 2,631.72 is: 3,949.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,248.36 : 10,876.86 = 2,631.72 : x
  2. Step 2: Convert to fraction form
    7,248.36/10,876.86 = 2,631.72/x
  3. Step 3: Cross multiply
    7,248.36x = 10,876.86 × 2,631.72
  4. Step 4: Simplify right side
    7,248.36x = 28,624,850.00
  5. Step 5: Solve for x
    x = 28,624,850.00/7,248.36
  6. Step 6: Final answer
    x = 3,949.15

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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.