Home / 4,218.79-5,813.17-3,587.11

Finding the Fourth Proportional to 4,218.79, 5,813.17 and 3,587.11

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Solution

The fourth proportional to 4,218.79, 5,813.17 and 3,587.11 is: 4,942.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,218.79 : 5,813.17 = 3,587.11 : x
  2. Step 2: Convert to fraction form
    4,218.79/5,813.17 = 3,587.11/x
  3. Step 3: Cross multiply
    4,218.79x = 5,813.17 × 3,587.11
  4. Step 4: Simplify right side
    4,218.79x = 20,852,480.24
  5. Step 5: Solve for x
    x = 20,852,480.24/4,218.79
  6. Step 6: Final answer
    x = 4,942.76

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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.