Home / 6,995.72-10,489.40-4,747.02

Finding the Fourth Proportional to 6,995.72, 10,489.40 and 4,747.02

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Solution

The fourth proportional to 6,995.72, 10,489.40 and 4,747.02 is: 7,117.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,995.72 : 10,489.40 = 4,747.02 : x
  2. Step 2: Convert to fraction form
    6,995.72/10,489.40 = 4,747.02/x
  3. Step 3: Cross multiply
    6,995.72x = 10,489.40 × 4,747.02
  4. Step 4: Simplify right side
    6,995.72x = 49,793,391.59
  5. Step 5: Solve for x
    x = 49,793,391.59/6,995.72
  6. Step 6: Final answer
    x = 7,117.69

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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.