Home / 8,274.29-12,411.54-2,431.04

Finding the Fourth Proportional to 8,274.29, 12,411.54 and 2,431.04

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Solution

The fourth proportional to 8,274.29, 12,411.54 and 2,431.04 is: 3,646.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,274.29 : 12,411.54 = 2,431.04 : x
  2. Step 2: Convert to fraction form
    8,274.29/12,411.54 = 2,431.04/x
  3. Step 3: Cross multiply
    8,274.29x = 12,411.54 × 2,431.04
  4. Step 4: Simplify right side
    8,274.29x = 30,172,888.14
  5. Step 5: Solve for x
    x = 30,172,888.14/8,274.29
  6. Step 6: Final answer
    x = 3,646.59

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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.