Home / 7,148.30-10,718.54-5,676.97

Finding the Fourth Proportional to 7,148.30, 10,718.54 and 5,676.97

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Solution

The fourth proportional to 7,148.30, 10,718.54 and 5,676.97 is: 8,512.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,148.30 : 10,718.54 = 5,676.97 : x
  2. Step 2: Convert to fraction form
    7,148.30/10,718.54 = 5,676.97/x
  3. Step 3: Cross multiply
    7,148.30x = 10,718.54 × 5,676.97
  4. Step 4: Simplify right side
    7,148.30x = 60,848,869.43
  5. Step 5: Solve for x
    x = 60,848,869.43/7,148.30
  6. Step 6: Final answer
    x = 8,512.35

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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.