Home / 7,923.32-10,939.16-5,091.96

Finding the Fourth Proportional to 7,923.32, 10,939.16 and 5,091.96

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Solution

The fourth proportional to 7,923.32, 10,939.16 and 5,091.96 is: 7,030.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,923.32 : 10,939.16 = 5,091.96 : x
  2. Step 2: Convert to fraction form
    7,923.32/10,939.16 = 5,091.96/x
  3. Step 3: Cross multiply
    7,923.32x = 10,939.16 × 5,091.96
  4. Step 4: Simplify right side
    7,923.32x = 55,701,765.15
  5. Step 5: Solve for x
    x = 55,701,765.15/7,923.32
  6. Step 6: Final answer
    x = 7,030.10

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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.