Home / 7,117.18-10,676.30-2,734.64

Finding the Fourth Proportional to 7,117.18, 10,676.30 and 2,734.64

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Solution

The fourth proportional to 7,117.18, 10,676.30 and 2,734.64 is: 4,102.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,117.18 : 10,676.30 = 2,734.64 : x
  2. Step 2: Convert to fraction form
    7,117.18/10,676.30 = 2,734.64/x
  3. Step 3: Cross multiply
    7,117.18x = 10,676.30 × 2,734.64
  4. Step 4: Simplify right side
    7,117.18x = 29,195,837.03
  5. Step 5: Solve for x
    x = 29,195,837.03/7,117.18
  6. Step 6: Final answer
    x = 4,102.16

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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.