Home / 7,407.80-11,110.61-2,726.72

Finding the Fourth Proportional to 7,407.80, 11,110.61 and 2,726.72

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Solution

The fourth proportional to 7,407.80, 11,110.61 and 2,726.72 is: 4,089.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,407.80 : 11,110.61 = 2,726.72 : x
  2. Step 2: Convert to fraction form
    7,407.80/11,110.61 = 2,726.72/x
  3. Step 3: Cross multiply
    7,407.80x = 11,110.61 × 2,726.72
  4. Step 4: Simplify right side
    7,407.80x = 30,295,536.64
  5. Step 5: Solve for x
    x = 30,295,536.64/7,407.80
  6. Step 6: Final answer
    x = 4,089.68

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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.