Home / 9,124.83-13,686.75-2,799.72

Finding the Fourth Proportional to 9,124.83, 13,686.75 and 2,799.72

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Solution

The fourth proportional to 9,124.83, 13,686.75 and 2,799.72 is: 4,199.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,124.83 : 13,686.75 = 2,799.72 : x
  2. Step 2: Convert to fraction form
    9,124.83/13,686.75 = 2,799.72/x
  3. Step 3: Cross multiply
    9,124.83x = 13,686.75 × 2,799.72
  4. Step 4: Simplify right side
    9,124.83x = 38,319,067.71
  5. Step 5: Solve for x
    x = 38,319,067.71/9,124.83
  6. Step 6: Final answer
    x = 4,199.43

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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.