Home / 5,297.19-7,308.18-3,172.79

Finding the Fourth Proportional to 5,297.19, 7,308.18 and 3,172.79

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Solution

The fourth proportional to 5,297.19, 7,308.18 and 3,172.79 is: 4,377.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,297.19 : 7,308.18 = 3,172.79 : x
  2. Step 2: Convert to fraction form
    5,297.19/7,308.18 = 3,172.79/x
  3. Step 3: Cross multiply
    5,297.19x = 7,308.18 × 3,172.79
  4. Step 4: Simplify right side
    5,297.19x = 23,187,283.88
  5. Step 5: Solve for x
    x = 23,187,283.88/5,297.19
  6. Step 6: Final answer
    x = 4,377.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.