Home / 5,047.62-7,572.86-2,126.22

Finding the Fourth Proportional to 5,047.62, 7,572.86 and 2,126.22

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Solution

The fourth proportional to 5,047.62, 7,572.86 and 2,126.22 is: 3,189.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,047.62 : 7,572.86 = 2,126.22 : x
  2. Step 2: Convert to fraction form
    5,047.62/7,572.86 = 2,126.22/x
  3. Step 3: Cross multiply
    5,047.62x = 7,572.86 × 2,126.22
  4. Step 4: Simplify right side
    5,047.62x = 16,101,566.39
  5. Step 5: Solve for x
    x = 16,101,566.39/5,047.62
  6. Step 6: Final answer
    x = 3,189.93

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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.