Home / 8,429.22-12,643.84-2,882.62

Finding the Fourth Proportional to 8,429.22, 12,643.84 and 2,882.62

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Solution

The fourth proportional to 8,429.22, 12,643.84 and 2,882.62 is: 4,323.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,429.22 : 12,643.84 = 2,882.62 : x
  2. Step 2: Convert to fraction form
    8,429.22/12,643.84 = 2,882.62/x
  3. Step 3: Cross multiply
    8,429.22x = 12,643.84 × 2,882.62
  4. Step 4: Simplify right side
    8,429.22x = 36,447,386.06
  5. Step 5: Solve for x
    x = 36,447,386.06/8,429.22
  6. Step 6: Final answer
    x = 4,323.93

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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.