Home / 8,278.48-12,417.71-3,348.08

Finding the Fourth Proportional to 8,278.48, 12,417.71 and 3,348.08

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Solution

The fourth proportional to 8,278.48, 12,417.71 and 3,348.08 is: 5,022.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,278.48 : 12,417.71 = 3,348.08 : x
  2. Step 2: Convert to fraction form
    8,278.48/12,417.71 = 3,348.08/x
  3. Step 3: Cross multiply
    8,278.48x = 12,417.71 × 3,348.08
  4. Step 4: Simplify right side
    8,278.48x = 41,575,486.50
  5. Step 5: Solve for x
    x = 41,575,486.50/8,278.48
  6. Step 6: Final answer
    x = 5,022.12

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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.