Home / 7,170.24-10,756.02-2,788.03

Finding the Fourth Proportional to 7,170.24, 10,756.02 and 2,788.03

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Solution

The fourth proportional to 7,170.24, 10,756.02 and 2,788.03 is: 4,182.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,170.24 : 10,756.02 = 2,788.03 : x
  2. Step 2: Convert to fraction form
    7,170.24/10,756.02 = 2,788.03/x
  3. Step 3: Cross multiply
    7,170.24x = 10,756.02 × 2,788.03
  4. Step 4: Simplify right side
    7,170.24x = 29,988,052.66
  5. Step 5: Solve for x
    x = 29,988,052.66/7,170.24
  6. Step 6: Final answer
    x = 4,182.29

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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.