Home / 5,277.30-7,282.80-3,039.72

Finding the Fourth Proportional to 5,277.30, 7,282.80 and 3,039.72

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Solution

The fourth proportional to 5,277.30, 7,282.80 and 3,039.72 is: 4,194.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,277.30 : 7,282.80 = 3,039.72 : x
  2. Step 2: Convert to fraction form
    5,277.30/7,282.80 = 3,039.72/x
  3. Step 3: Cross multiply
    5,277.30x = 7,282.80 × 3,039.72
  4. Step 4: Simplify right side
    5,277.30x = 22,137,672.82
  5. Step 5: Solve for x
    x = 22,137,672.82/5,277.30
  6. Step 6: Final answer
    x = 4,194.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.