Home / 4,269.10-6,403.65-3,981.10

Finding the Fourth Proportional to 4,269.10, 6,403.65 and 3,981.10

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Solution

The fourth proportional to 4,269.10, 6,403.65 and 3,981.10 is: 5,971.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,269.10 : 6,403.65 = 3,981.10 : x
  2. Step 2: Convert to fraction form
    4,269.10/6,403.65 = 3,981.10/x
  3. Step 3: Cross multiply
    4,269.10x = 6,403.65 × 3,981.10
  4. Step 4: Simplify right side
    4,269.10x = 25,493,571.02
  5. Step 5: Solve for x
    x = 25,493,571.02/4,269.10
  6. Step 6: Final answer
    x = 5,971.65

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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.