Home / 5,291.33-7,287.26-5,176.51

Finding the Fourth Proportional to 5,291.33, 7,287.26 and 5,176.51

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Solution

The fourth proportional to 5,291.33, 7,287.26 and 5,176.51 is: 7,129.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,291.33 : 7,287.26 = 5,176.51 : x
  2. Step 2: Convert to fraction form
    5,291.33/7,287.26 = 5,176.51/x
  3. Step 3: Cross multiply
    5,291.33x = 7,287.26 × 5,176.51
  4. Step 4: Simplify right side
    5,291.33x = 37,722,530.16
  5. Step 5: Solve for x
    x = 37,722,530.16/5,291.33
  6. Step 6: Final answer
    x = 7,129.13

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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.