Home / 5,806.70-8,711.53-2,688.95

Finding the Fourth Proportional to 5,806.70, 8,711.53 and 2,688.95

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Solution

The fourth proportional to 5,806.70, 8,711.53 and 2,688.95 is: 4,034.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,806.70 : 8,711.53 = 2,688.95 : x
  2. Step 2: Convert to fraction form
    5,806.70/8,711.53 = 2,688.95/x
  3. Step 3: Cross multiply
    5,806.70x = 8,711.53 × 2,688.95
  4. Step 4: Simplify right side
    5,806.70x = 23,424,883.65
  5. Step 5: Solve for x
    x = 23,424,883.65/5,806.70
  6. Step 6: Final answer
    x = 4,034.11

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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.