Home / 7,117.42-10,676.10-3,997.45

Finding the Fourth Proportional to 7,117.42, 10,676.10 and 3,997.45

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Solution

The fourth proportional to 7,117.42, 10,676.10 and 3,997.45 is: 5,996.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,117.42 : 10,676.10 = 3,997.45 : x
  2. Step 2: Convert to fraction form
    7,117.42/10,676.10 = 3,997.45/x
  3. Step 3: Cross multiply
    7,117.42x = 10,676.10 × 3,997.45
  4. Step 4: Simplify right side
    7,117.42x = 42,677,175.95
  5. Step 5: Solve for x
    x = 42,677,175.95/7,117.42
  6. Step 6: Final answer
    x = 5,996.16

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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.