Home / 7,799.78-10,764.41-6,124.29

Finding the Fourth Proportional to 7,799.78, 10,764.41 and 6,124.29

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Solution

The fourth proportional to 7,799.78, 10,764.41 and 6,124.29 is: 8,452.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,799.78 : 10,764.41 = 6,124.29 : x
  2. Step 2: Convert to fraction form
    7,799.78/10,764.41 = 6,124.29/x
  3. Step 3: Cross multiply
    7,799.78x = 10,764.41 × 6,124.29
  4. Step 4: Simplify right side
    7,799.78x = 65,924,337.90
  5. Step 5: Solve for x
    x = 65,924,337.90/7,799.78
  6. Step 6: Final answer
    x = 8,452.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.