Home / 5,178.06-7,759.53-2,577.42

Finding the Fourth Proportional to 5,178.06, 7,759.53 and 2,577.42

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Solution

The fourth proportional to 5,178.06, 7,759.53 and 2,577.42 is: 3,862.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,178.06 : 7,759.53 = 2,577.42 : x
  2. Step 2: Convert to fraction form
    5,178.06/7,759.53 = 2,577.42/x
  3. Step 3: Cross multiply
    5,178.06x = 7,759.53 × 2,577.42
  4. Step 4: Simplify right side
    5,178.06x = 19,999,567.81
  5. Step 5: Solve for x
    x = 19,999,567.81/5,178.06
  6. Step 6: Final answer
    x = 3,862.37

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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.