Home / 7,987.46-11,016.83-5,293.81

Finding the Fourth Proportional to 7,987.46, 11,016.83 and 5,293.81

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Solution

The fourth proportional to 7,987.46, 11,016.83 and 5,293.81 is: 7,301.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,987.46 : 11,016.83 = 5,293.81 : x
  2. Step 2: Convert to fraction form
    7,987.46/11,016.83 = 5,293.81/x
  3. Step 3: Cross multiply
    7,987.46x = 11,016.83 × 5,293.81
  4. Step 4: Simplify right side
    7,987.46x = 58,320,990.51
  5. Step 5: Solve for x
    x = 58,320,990.51/7,987.46
  6. Step 6: Final answer
    x = 7,301.57

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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.