Home / 7,799.74-11,689.26-3,412.42

Finding the Fourth Proportional to 7,799.74, 11,689.26 and 3,412.42

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Solution

The fourth proportional to 7,799.74, 11,689.26 and 3,412.42 is: 5,114.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,799.74 : 11,689.26 = 3,412.42 : x
  2. Step 2: Convert to fraction form
    7,799.74/11,689.26 = 3,412.42/x
  3. Step 3: Cross multiply
    7,799.74x = 11,689.26 × 3,412.42
  4. Step 4: Simplify right side
    7,799.74x = 39,888,664.61
  5. Step 5: Solve for x
    x = 39,888,664.61/7,799.74
  6. Step 6: Final answer
    x = 5,114.10

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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.