Home / 8,278.07-12,417.03-3,347.63

Finding the Fourth Proportional to 8,278.07, 12,417.03 and 3,347.63

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Solution

The fourth proportional to 8,278.07, 12,417.03 and 3,347.63 is: 5,021.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,278.07 : 12,417.03 = 3,347.63 : x
  2. Step 2: Convert to fraction form
    8,278.07/12,417.03 = 3,347.63/x
  3. Step 3: Cross multiply
    8,278.07x = 12,417.03 × 3,347.63
  4. Step 4: Simplify right side
    8,278.07x = 41,567,606.62
  5. Step 5: Solve for x
    x = 41,567,606.62/8,278.07
  6. Step 6: Final answer
    x = 5,021.42

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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.