Home / 7,149.18-10,705.38-4,676.78

Finding the Fourth Proportional to 7,149.18, 10,705.38 and 4,676.78

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Solution

The fourth proportional to 7,149.18, 10,705.38 and 4,676.78 is: 7,003.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,149.18 : 10,705.38 = 4,676.78 : x
  2. Step 2: Convert to fraction form
    7,149.18/10,705.38 = 4,676.78/x
  3. Step 3: Cross multiply
    7,149.18x = 10,705.38 × 4,676.78
  4. Step 4: Simplify right side
    7,149.18x = 50,066,707.08
  5. Step 5: Solve for x
    x = 50,066,707.08/7,149.18
  6. Step 6: Final answer
    x = 7,003.14

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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.