Home / 5,175.69-7,764.34-1,712.13

Finding the Fourth Proportional to 5,175.69, 7,764.34 and 1,712.13

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Solution

The fourth proportional to 5,175.69, 7,764.34 and 1,712.13 is: 2,568.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,175.69 : 7,764.34 = 1,712.13 : x
  2. Step 2: Convert to fraction form
    5,175.69/7,764.34 = 1,712.13/x
  3. Step 3: Cross multiply
    5,175.69x = 7,764.34 × 1,712.13
  4. Step 4: Simplify right side
    5,175.69x = 13,293,559.44
  5. Step 5: Solve for x
    x = 13,293,559.44/5,175.69
  6. Step 6: Final answer
    x = 2,568.46

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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.