Home / 5,174.76-7,755.51-2,541.63

Finding the Fourth Proportional to 5,174.76, 7,755.51 and 2,541.63

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Solution

The fourth proportional to 5,174.76, 7,755.51 and 2,541.63 is: 3,809.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,174.76 : 7,755.51 = 2,541.63 : x
  2. Step 2: Convert to fraction form
    5,174.76/7,755.51 = 2,541.63/x
  3. Step 3: Cross multiply
    5,174.76x = 7,755.51 × 2,541.63
  4. Step 4: Simplify right side
    5,174.76x = 19,711,636.88
  5. Step 5: Solve for x
    x = 19,711,636.88/5,174.76
  6. Step 6: Final answer
    x = 3,809.19

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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.