Home / 6,864.68-9,473.30-3,880.80

Finding the Fourth Proportional to 6,864.68, 9,473.30 and 3,880.80

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Solution

The fourth proportional to 6,864.68, 9,473.30 and 3,880.80 is: 5,355.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,864.68 : 9,473.30 = 3,880.80 : x
  2. Step 2: Convert to fraction form
    6,864.68/9,473.30 = 3,880.80/x
  3. Step 3: Cross multiply
    6,864.68x = 9,473.30 × 3,880.80
  4. Step 4: Simplify right side
    6,864.68x = 36,763,963.24
  5. Step 5: Solve for x
    x = 36,763,963.24/6,864.68
  6. Step 6: Final answer
    x = 5,355.53

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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.