Home / 5,277.35-7,281.27-3,123.50

Finding the Fourth Proportional to 5,277.35, 7,281.27 and 3,123.50

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Solution

The fourth proportional to 5,277.35, 7,281.27 and 3,123.50 is: 4,309.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,277.35 : 7,281.27 = 3,123.50 : x
  2. Step 2: Convert to fraction form
    5,277.35/7,281.27 = 3,123.50/x
  3. Step 3: Cross multiply
    5,277.35x = 7,281.27 × 3,123.50
  4. Step 4: Simplify right side
    5,277.35x = 22,743,010.44
  5. Step 5: Solve for x
    x = 22,743,010.44/5,277.35
  6. Step 6: Final answer
    x = 4,309.56

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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.