Home / 6,687.06-10,030.90-1,757.20

Finding the Fourth Proportional to 6,687.06, 10,030.90 and 1,757.20

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Solution

The fourth proportional to 6,687.06, 10,030.90 and 1,757.20 is: 2,635.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,687.06 : 10,030.90 = 1,757.20 : x
  2. Step 2: Convert to fraction form
    6,687.06/10,030.90 = 1,757.20/x
  3. Step 3: Cross multiply
    6,687.06x = 10,030.90 × 1,757.20
  4. Step 4: Simplify right side
    6,687.06x = 17,626,297.48
  5. Step 5: Solve for x
    x = 17,626,297.48/6,687.06
  6. Step 6: Final answer
    x = 2,635.88

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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.