Home / 7,987.22-11,016.49-5,293.56

Finding the Fourth Proportional to 7,987.22, 11,016.49 and 5,293.56

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Solution

The fourth proportional to 7,987.22, 11,016.49 and 5,293.56 is: 7,301.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,987.22 : 11,016.49 = 5,293.56 : x
  2. Step 2: Convert to fraction form
    7,987.22/11,016.49 = 5,293.56/x
  3. Step 3: Cross multiply
    7,987.22x = 11,016.49 × 5,293.56
  4. Step 4: Simplify right side
    7,987.22x = 58,316,424.34
  5. Step 5: Solve for x
    x = 58,316,424.34/7,987.22
  6. Step 6: Final answer
    x = 7,301.22

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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.