Home / 6,422.69-8,862.05-3,627.65

Finding the Fourth Proportional to 6,422.69, 8,862.05 and 3,627.65

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Solution

The fourth proportional to 6,422.69, 8,862.05 and 3,627.65 is: 5,005.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,422.69 : 8,862.05 = 3,627.65 : x
  2. Step 2: Convert to fraction form
    6,422.69/8,862.05 = 3,627.65/x
  3. Step 3: Cross multiply
    6,422.69x = 8,862.05 × 3,627.65
  4. Step 4: Simplify right side
    6,422.69x = 32,148,353.23
  5. Step 5: Solve for x
    x = 32,148,353.23/6,422.69
  6. Step 6: Final answer
    x = 5,005.44

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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.