Home / 4,983.77-6,880.07-3,398.65

Finding the Fourth Proportional to 4,983.77, 6,880.07 and 3,398.65

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Solution

The fourth proportional to 4,983.77, 6,880.07 and 3,398.65 is: 4,691.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,983.77 : 6,880.07 = 3,398.65 : x
  2. Step 2: Convert to fraction form
    4,983.77/6,880.07 = 3,398.65/x
  3. Step 3: Cross multiply
    4,983.77x = 6,880.07 × 3,398.65
  4. Step 4: Simplify right side
    4,983.77x = 23,382,915.71
  5. Step 5: Solve for x
    x = 23,382,915.71/4,983.77
  6. Step 6: Final answer
    x = 4,691.81

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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.