Home / 6,403.06-8,834.70-3,608.56

Finding the Fourth Proportional to 6,403.06, 8,834.70 and 3,608.56

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Solution

The fourth proportional to 6,403.06, 8,834.70 and 3,608.56 is: 4,978.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,403.06 : 8,834.70 = 3,608.56 : x
  2. Step 2: Convert to fraction form
    6,403.06/8,834.70 = 3,608.56/x
  3. Step 3: Cross multiply
    6,403.06x = 8,834.70 × 3,608.56
  4. Step 4: Simplify right side
    6,403.06x = 31,880,545.03
  5. Step 5: Solve for x
    x = 31,880,545.03/6,403.06
  6. Step 6: Final answer
    x = 4,978.95

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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.