Home / 7,248.29-10,872.49-1,983.19

Finding the Fourth Proportional to 7,248.29, 10,872.49 and 1,983.19

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Solution

The fourth proportional to 7,248.29, 10,872.49 and 1,983.19 is: 2,974.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,248.29 : 10,872.49 = 1,983.19 : x
  2. Step 2: Convert to fraction form
    7,248.29/10,872.49 = 1,983.19/x
  3. Step 3: Cross multiply
    7,248.29x = 10,872.49 × 1,983.19
  4. Step 4: Simplify right side
    7,248.29x = 21,562,243.10
  5. Step 5: Solve for x
    x = 21,562,243.10/7,248.29
  6. Step 6: Final answer
    x = 2,974.80

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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.