Home / 7,577.68-11,367.92-3,417.84

Finding the Fourth Proportional to 7,577.68, 11,367.92 and 3,417.84

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Solution

The fourth proportional to 7,577.68, 11,367.92 and 3,417.84 is: 5,127.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,577.68 : 11,367.92 = 3,417.84 : x
  2. Step 2: Convert to fraction form
    7,577.68/11,367.92 = 3,417.84/x
  3. Step 3: Cross multiply
    7,577.68x = 11,367.92 × 3,417.84
  4. Step 4: Simplify right side
    7,577.68x = 38,853,731.69
  5. Step 5: Solve for x
    x = 38,853,731.69/7,577.68
  6. Step 6: Final answer
    x = 5,127.39

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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.