Home / 5,689.49-7,851.51-3,299.92

Finding the Fourth Proportional to 5,689.49, 7,851.51 and 3,299.92

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Solution

The fourth proportional to 5,689.49, 7,851.51 and 3,299.92 is: 4,553.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,689.49 : 7,851.51 = 3,299.92 : x
  2. Step 2: Convert to fraction form
    5,689.49/7,851.51 = 3,299.92/x
  3. Step 3: Cross multiply
    5,689.49x = 7,851.51 × 3,299.92
  4. Step 4: Simplify right side
    5,689.49x = 25,909,382.76
  5. Step 5: Solve for x
    x = 25,909,382.76/5,689.49
  6. Step 6: Final answer
    x = 4,553.90

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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.