Home / 9,106.20-13,637.40-5,198.76

Finding the Fourth Proportional to 9,106.20, 13,637.40 and 5,198.76

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Solution

The fourth proportional to 9,106.20, 13,637.40 and 5,198.76 is: 7,785.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,106.20 : 13,637.40 = 5,198.76 : x
  2. Step 2: Convert to fraction form
    9,106.20/13,637.40 = 5,198.76/x
  3. Step 3: Cross multiply
    9,106.20x = 13,637.40 × 5,198.76
  4. Step 4: Simplify right side
    9,106.20x = 70,897,569.62
  5. Step 5: Solve for x
    x = 70,897,569.62/9,106.20
  6. Step 6: Final answer
    x = 7,785.64

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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.