Home / 5,132.97-7,699.42-1,670.22

Finding the Fourth Proportional to 5,132.97, 7,699.42 and 1,670.22

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Solution

The fourth proportional to 5,132.97, 7,699.42 and 1,670.22 is: 2,505.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,132.97 : 7,699.42 = 1,670.22 : x
  2. Step 2: Convert to fraction form
    5,132.97/7,699.42 = 1,670.22/x
  3. Step 3: Cross multiply
    5,132.97x = 7,699.42 × 1,670.22
  4. Step 4: Simplify right side
    5,132.97x = 12,859,727.36
  5. Step 5: Solve for x
    x = 12,859,727.36/5,132.97
  6. Step 6: Final answer
    x = 2,505.32

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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.