Home / 6,981.25-9,629.80-4,591.50

Finding the Fourth Proportional to 6,981.25, 9,629.80 and 4,591.50

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Solution

The fourth proportional to 6,981.25, 9,629.80 and 4,591.50 is: 6,333.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,981.25 : 9,629.80 = 4,591.50 : x
  2. Step 2: Convert to fraction form
    6,981.25/9,629.80 = 4,591.50/x
  3. Step 3: Cross multiply
    6,981.25x = 9,629.80 × 4,591.50
  4. Step 4: Simplify right side
    6,981.25x = 44,215,226.70
  5. Step 5: Solve for x
    x = 44,215,226.70/6,981.25
  6. Step 6: Final answer
    x = 6,333.43

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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.