Home / 7,991.75-11,030.04-5,010.14

Finding the Fourth Proportional to 7,991.75, 11,030.04 and 5,010.14

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Solution

The fourth proportional to 7,991.75, 11,030.04 and 5,010.14 is: 6,914.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,991.75 : 11,030.04 = 5,010.14 : x
  2. Step 2: Convert to fraction form
    7,991.75/11,030.04 = 5,010.14/x
  3. Step 3: Cross multiply
    7,991.75x = 11,030.04 × 5,010.14
  4. Step 4: Simplify right side
    7,991.75x = 55,261,989.46
  5. Step 5: Solve for x
    x = 55,261,989.46/7,991.75
  6. Step 6: Final answer
    x = 6,914.88

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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.