Home / 7,921.13-10,926.09-5,087.54

Finding the Fourth Proportional to 7,921.13, 10,926.09 and 5,087.54

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Solution

The fourth proportional to 7,921.13, 10,926.09 and 5,087.54 is: 7,017.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,921.13 : 10,926.09 = 5,087.54 : x
  2. Step 2: Convert to fraction form
    7,921.13/10,926.09 = 5,087.54/x
  3. Step 3: Cross multiply
    7,921.13x = 10,926.09 × 5,087.54
  4. Step 4: Simplify right side
    7,921.13x = 55,586,947.23
  5. Step 5: Solve for x
    x = 55,586,947.23/7,921.13
  6. Step 6: Final answer
    x = 7,017.56

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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.