Home / 6,131.16-9,195.51-1,687.67

Finding the Fourth Proportional to 6,131.16, 9,195.51 and 1,687.67

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Solution

The fourth proportional to 6,131.16, 9,195.51 and 1,687.67 is: 2,531.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,131.16 : 9,195.51 = 1,687.67 : x
  2. Step 2: Convert to fraction form
    6,131.16/9,195.51 = 1,687.67/x
  3. Step 3: Cross multiply
    6,131.16x = 9,195.51 × 1,687.67
  4. Step 4: Simplify right side
    6,131.16x = 15,518,940.38
  5. Step 5: Solve for x
    x = 15,518,940.38/6,131.16
  6. Step 6: Final answer
    x = 2,531.16

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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.