Home / 8,358.30-12,542.94-3,164.22

Finding the Fourth Proportional to 8,358.30, 12,542.94 and 3,164.22

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Solution

The fourth proportional to 8,358.30, 12,542.94 and 3,164.22 is: 4,748.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,358.30 : 12,542.94 = 3,164.22 : x
  2. Step 2: Convert to fraction form
    8,358.30/12,542.94 = 3,164.22/x
  3. Step 3: Cross multiply
    8,358.30x = 12,542.94 × 3,164.22
  4. Step 4: Simplify right side
    8,358.30x = 39,688,621.61
  5. Step 5: Solve for x
    x = 39,688,621.61/8,358.30
  6. Step 6: Final answer
    x = 4,748.41

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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.