Home / 8,727.29-13,091.36-2,488.22

Finding the Fourth Proportional to 8,727.29, 13,091.36 and 2,488.22

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Solution

The fourth proportional to 8,727.29, 13,091.36 and 2,488.22 is: 3,732.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,727.29 : 13,091.36 = 2,488.22 : x
  2. Step 2: Convert to fraction form
    8,727.29/13,091.36 = 2,488.22/x
  3. Step 3: Cross multiply
    8,727.29x = 13,091.36 × 2,488.22
  4. Step 4: Simplify right side
    8,727.29x = 32,574,151.05
  5. Step 5: Solve for x
    x = 32,574,151.05/8,727.29
  6. Step 6: Final answer
    x = 3,732.45

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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.