Home / 4,207.71-5,806.56-2,415.11

Finding the Fourth Proportional to 4,207.71, 5,806.56 and 2,415.11

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Solution

The fourth proportional to 4,207.71, 5,806.56 and 2,415.11 is: 3,332.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,207.71 : 5,806.56 = 2,415.11 : x
  2. Step 2: Convert to fraction form
    4,207.71/5,806.56 = 2,415.11/x
  3. Step 3: Cross multiply
    4,207.71x = 5,806.56 × 2,415.11
  4. Step 4: Simplify right side
    4,207.71x = 14,023,481.12
  5. Step 5: Solve for x
    x = 14,023,481.12/4,207.71
  6. Step 6: Final answer
    x = 3,332.81

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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.