Home / 7,869.36-10,849.68-5,982.96

Finding the Fourth Proportional to 7,869.36, 10,849.68 and 5,982.96

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Solution

The fourth proportional to 7,869.36, 10,849.68 and 5,982.96 is: 8,248.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,869.36 : 10,849.68 = 5,982.96 : x
  2. Step 2: Convert to fraction form
    7,869.36/10,849.68 = 5,982.96/x
  3. Step 3: Cross multiply
    7,869.36x = 10,849.68 × 5,982.96
  4. Step 4: Simplify right side
    7,869.36x = 64,913,201.45
  5. Step 5: Solve for x
    x = 64,913,201.45/7,869.36
  6. Step 6: Final answer
    x = 8,248.85

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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.