Home / 5,207.60-7,814.56-2,744.16

Finding the Fourth Proportional to 5,207.60, 7,814.56 and 2,744.16

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Solution

The fourth proportional to 5,207.60, 7,814.56 and 2,744.16 is: 4,117.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,207.60 : 7,814.56 = 2,744.16 : x
  2. Step 2: Convert to fraction form
    5,207.60/7,814.56 = 2,744.16/x
  3. Step 3: Cross multiply
    5,207.60x = 7,814.56 × 2,744.16
  4. Step 4: Simplify right side
    5,207.60x = 21,444,402.97
  5. Step 5: Solve for x
    x = 21,444,402.97/5,207.60
  6. Step 6: Final answer
    x = 4,117.91

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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.