Home / 4,810.92-6,639.68-2,715

Finding the Fourth Proportional to 4,810.92, 6,639.68 and 2,715

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Solution

The fourth proportional to 4,810.92, 6,639.68 and 2,715 is: 3,747.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,810.92 : 6,639.68 = 2,715 : x
  2. Step 2: Convert to fraction form
    4,810.92/6,639.68 = 2,715/x
  3. Step 3: Cross multiply
    4,810.92x = 6,639.68 × 2,715
  4. Step 4: Simplify right side
    4,810.92x = 18,026,731.20
  5. Step 5: Solve for x
    x = 18,026,731.20/4,810.92
  6. Step 6: Final answer
    x = 3,747.04

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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.