Home / 7,897.85-11,847.28-2,632.65

Finding the Fourth Proportional to 7,897.85, 11,847.28 and 2,632.65

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Solution

The fourth proportional to 7,897.85, 11,847.28 and 2,632.65 is: 3,949.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,897.85 : 11,847.28 = 2,632.65 : x
  2. Step 2: Convert to fraction form
    7,897.85/11,847.28 = 2,632.65/x
  3. Step 3: Cross multiply
    7,897.85x = 11,847.28 × 2,632.65
  4. Step 4: Simplify right side
    7,897.85x = 31,189,741.69
  5. Step 5: Solve for x
    x = 31,189,741.69/7,897.85
  6. Step 6: Final answer
    x = 3,949.14

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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.