Home / 7,928.04-10,939.38-5,096.04

Finding the Fourth Proportional to 7,928.04, 10,939.38 and 5,096.04

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Solution

The fourth proportional to 7,928.04, 10,939.38 and 5,096.04 is: 7,031.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,928.04 : 10,939.38 = 5,096.04 : x
  2. Step 2: Convert to fraction form
    7,928.04/10,939.38 = 5,096.04/x
  3. Step 3: Cross multiply
    7,928.04x = 10,939.38 × 5,096.04
  4. Step 4: Simplify right side
    7,928.04x = 55,747,518.06
  5. Step 5: Solve for x
    x = 55,747,518.06/7,928.04
  6. Step 6: Final answer
    x = 7,031.69

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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.