Home / 7,152.20-10,726.97-2,991.06

Finding the Fourth Proportional to 7,152.20, 10,726.97 and 2,991.06

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Solution

The fourth proportional to 7,152.20, 10,726.97 and 2,991.06 is: 4,486.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,152.20 : 10,726.97 = 2,991.06 : x
  2. Step 2: Convert to fraction form
    7,152.20/10,726.97 = 2,991.06/x
  3. Step 3: Cross multiply
    7,152.20x = 10,726.97 × 2,991.06
  4. Step 4: Simplify right side
    7,152.20x = 32,084,995.93
  5. Step 5: Solve for x
    x = 32,084,995.93/7,152.20
  6. Step 6: Final answer
    x = 4,486.03

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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.