Home / 7,354.86-10,149.69-3,997.67

Finding the Fourth Proportional to 7,354.86, 10,149.69 and 3,997.67

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Solution

The fourth proportional to 7,354.86, 10,149.69 and 3,997.67 is: 5,516.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,354.86 : 10,149.69 = 3,997.67 : x
  2. Step 2: Convert to fraction form
    7,354.86/10,149.69 = 3,997.67/x
  3. Step 3: Cross multiply
    7,354.86x = 10,149.69 × 3,997.67
  4. Step 4: Simplify right side
    7,354.86x = 40,575,060.47
  5. Step 5: Solve for x
    x = 40,575,060.47/7,354.86
  6. Step 6: Final answer
    x = 5,516.77

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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.