Home / 5,077.68-7,609.55-2,857.59

Finding the Fourth Proportional to 5,077.68, 7,609.55 and 2,857.59

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Solution

The fourth proportional to 5,077.68, 7,609.55 and 2,857.59 is: 4,282.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,077.68 : 7,609.55 = 2,857.59 : x
  2. Step 2: Convert to fraction form
    5,077.68/7,609.55 = 2,857.59/x
  3. Step 3: Cross multiply
    5,077.68x = 7,609.55 × 2,857.59
  4. Step 4: Simplify right side
    5,077.68x = 21,744,981.13
  5. Step 5: Solve for x
    x = 21,744,981.13/5,077.68
  6. Step 6: Final answer
    x = 4,282.46

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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.