Home / 8,144.33-12,216.51-2,948.99

Finding the Fourth Proportional to 8,144.33, 12,216.51 and 2,948.99

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Solution

The fourth proportional to 8,144.33, 12,216.51 and 2,948.99 is: 4,423.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,144.33 : 12,216.51 = 2,948.99 : x
  2. Step 2: Convert to fraction form
    8,144.33/12,216.51 = 2,948.99/x
  3. Step 3: Cross multiply
    8,144.33x = 12,216.51 × 2,948.99
  4. Step 4: Simplify right side
    8,144.33x = 36,026,365.82
  5. Step 5: Solve for x
    x = 36,026,365.82/8,144.33
  6. Step 6: Final answer
    x = 4,423.49

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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.