Home / 5,717.12-7,891.97-3,479.63

Finding the Fourth Proportional to 5,717.12, 7,891.97 and 3,479.63

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Solution

The fourth proportional to 5,717.12, 7,891.97 and 3,479.63 is: 4,803.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,717.12 : 7,891.97 = 3,479.63 : x
  2. Step 2: Convert to fraction form
    5,717.12/7,891.97 = 3,479.63/x
  3. Step 3: Cross multiply
    5,717.12x = 7,891.97 × 3,479.63
  4. Step 4: Simplify right side
    5,717.12x = 27,461,078.71
  5. Step 5: Solve for x
    x = 27,461,078.71/5,717.12
  6. Step 6: Final answer
    x = 4,803.31

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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.