Home / 4,189.04-6,304.57-3,154.40

Finding the Fourth Proportional to 4,189.04, 6,304.57 and 3,154.40

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Solution

The fourth proportional to 4,189.04, 6,304.57 and 3,154.40 is: 4,747.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,189.04 : 6,304.57 = 3,154.40 : x
  2. Step 2: Convert to fraction form
    4,189.04/6,304.57 = 3,154.40/x
  3. Step 3: Cross multiply
    4,189.04x = 6,304.57 × 3,154.40
  4. Step 4: Simplify right side
    4,189.04x = 19,887,135.61
  5. Step 5: Solve for x
    x = 19,887,135.61/4,189.04
  6. Step 6: Final answer
    x = 4,747.42

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.