Home / 4,069.14-6,103.71-1,987.38

Finding the Fourth Proportional to 4,069.14, 6,103.71 and 1,987.38

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Solution

The fourth proportional to 4,069.14, 6,103.71 and 1,987.38 is: 2,981.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,069.14 : 6,103.71 = 1,987.38 : x
  2. Step 2: Convert to fraction form
    4,069.14/6,103.71 = 1,987.38/x
  3. Step 3: Cross multiply
    4,069.14x = 6,103.71 × 1,987.38
  4. Step 4: Simplify right side
    4,069.14x = 12,130,391.18
  5. Step 5: Solve for x
    x = 12,130,391.18/4,069.14
  6. Step 6: Final answer
    x = 2,981.07

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Similar ratio
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1.5x scale

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.