Home / 5,213.62-7,781.27-4,507.71

Finding the Fourth Proportional to 5,213.62, 7,781.27 and 4,507.71

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Solution

The fourth proportional to 5,213.62, 7,781.27 and 4,507.71 is: 6,727.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,213.62 : 7,781.27 = 4,507.71 : x
  2. Step 2: Convert to fraction form
    5,213.62/7,781.27 = 4,507.71/x
  3. Step 3: Cross multiply
    5,213.62x = 7,781.27 × 4,507.71
  4. Step 4: Simplify right side
    5,213.62x = 35,075,708.59
  5. Step 5: Solve for x
    x = 35,075,708.59/5,213.62
  6. Step 6: Final answer
    x = 6,727.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.