Home / 4,166.39-6,242.66-2,931.20

Finding the Fourth Proportional to 4,166.39, 6,242.66 and 2,931.20

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Solution

The fourth proportional to 4,166.39, 6,242.66 and 2,931.20 is: 4,391.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,166.39 : 6,242.66 = 2,931.20 : x
  2. Step 2: Convert to fraction form
    4,166.39/6,242.66 = 2,931.20/x
  3. Step 3: Cross multiply
    4,166.39x = 6,242.66 × 2,931.20
  4. Step 4: Simplify right side
    4,166.39x = 18,298,504.26
  5. Step 5: Solve for x
    x = 18,298,504.26/4,166.39
  6. Step 6: Final answer
    x = 4,391.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.