Home / 6,378.09-9,569.85-3,600.60

Finding the Fourth Proportional to 6,378.09, 9,569.85 and 3,600.60

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Solution

The fourth proportional to 6,378.09, 9,569.85 and 3,600.60 is: 5,402.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,378.09 : 9,569.85 = 3,600.60 : x
  2. Step 2: Convert to fraction form
    6,378.09/9,569.85 = 3,600.60/x
  3. Step 3: Cross multiply
    6,378.09x = 9,569.85 × 3,600.60
  4. Step 4: Simplify right side
    6,378.09x = 34,457,201.91
  5. Step 5: Solve for x
    x = 34,457,201.91/6,378.09
  6. Step 6: Final answer
    x = 5,402.43

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1.5x scale

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.