Home / 7,112.10-10,659.83-5,351.45

Finding the Fourth Proportional to 7,112.10, 10,659.83 and 5,351.45

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Solution

The fourth proportional to 7,112.10, 10,659.83 and 5,351.45 is: 8,020.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,112.10 : 10,659.83 = 5,351.45 : x
  2. Step 2: Convert to fraction form
    7,112.10/10,659.83 = 5,351.45/x
  3. Step 3: Cross multiply
    7,112.10x = 10,659.83 × 5,351.45
  4. Step 4: Simplify right side
    7,112.10x = 57,045,497.24
  5. Step 5: Solve for x
    x = 57,045,497.24/7,112.10
  6. Step 6: Final answer
    x = 8,020.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.