Home / 7,273.18-10,040.79-5,676.40

Finding the Fourth Proportional to 7,273.18, 10,040.79 and 5,676.40

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Solution

The fourth proportional to 7,273.18, 10,040.79 and 5,676.40 is: 7,836.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,273.18 : 10,040.79 = 5,676.40 : x
  2. Step 2: Convert to fraction form
    7,273.18/10,040.79 = 5,676.40/x
  3. Step 3: Cross multiply
    7,273.18x = 10,040.79 × 5,676.40
  4. Step 4: Simplify right side
    7,273.18x = 56,995,540.36
  5. Step 5: Solve for x
    x = 56,995,540.36/7,273.18
  6. Step 6: Final answer
    x = 7,836.40

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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.