Home / 4,357.20-6,535.80-3,121.95

Finding the Fourth Proportional to 4,357.20, 6,535.80 and 3,121.95

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Solution

The fourth proportional to 4,357.20, 6,535.80 and 3,121.95 is: 4,682.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,357.20 : 6,535.80 = 3,121.95 : x
  2. Step 2: Convert to fraction form
    4,357.20/6,535.80 = 3,121.95/x
  3. Step 3: Cross multiply
    4,357.20x = 6,535.80 × 3,121.95
  4. Step 4: Simplify right side
    4,357.20x = 20,404,440.81
  5. Step 5: Solve for x
    x = 20,404,440.81/4,357.20
  6. Step 6: Final answer
    x = 4,682.93

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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.