Home / 6,845.45-9,446.76-3,862.08

Finding the Fourth Proportional to 6,845.45, 9,446.76 and 3,862.08

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Solution

The fourth proportional to 6,845.45, 9,446.76 and 3,862.08 is: 5,329.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,845.45 : 9,446.76 = 3,862.08 : x
  2. Step 2: Convert to fraction form
    6,845.45/9,446.76 = 3,862.08/x
  3. Step 3: Cross multiply
    6,845.45x = 9,446.76 × 3,862.08
  4. Step 4: Simplify right side
    6,845.45x = 36,484,142.86
  5. Step 5: Solve for x
    x = 36,484,142.86/6,845.45
  6. Step 6: Final answer
    x = 5,329.70

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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.