Home / 7,799.40-11,698.16-2,177.48

Finding the Fourth Proportional to 7,799.40, 11,698.16 and 2,177.48

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Solution

The fourth proportional to 7,799.40, 11,698.16 and 2,177.48 is: 3,265.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,799.40 : 11,698.16 = 2,177.48 : x
  2. Step 2: Convert to fraction form
    7,799.40/11,698.16 = 2,177.48/x
  3. Step 3: Cross multiply
    7,799.40x = 11,698.16 × 2,177.48
  4. Step 4: Simplify right side
    7,799.40x = 25,472,509.44
  5. Step 5: Solve for x
    x = 25,472,509.44/7,799.40
  6. Step 6: Final answer
    x = 3,265.96

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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.