Home / 4,081.61-6,122.07-1,307.52

Finding the Fourth Proportional to 4,081.61, 6,122.07 and 1,307.52

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Solution

The fourth proportional to 4,081.61, 6,122.07 and 1,307.52 is: 1,961.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,081.61 : 6,122.07 = 1,307.52 : x
  2. Step 2: Convert to fraction form
    4,081.61/6,122.07 = 1,307.52/x
  3. Step 3: Cross multiply
    4,081.61x = 6,122.07 × 1,307.52
  4. Step 4: Simplify right side
    4,081.61x = 8,004,728.97
  5. Step 5: Solve for x
    x = 8,004,728.97/4,081.61
  6. Step 6: Final answer
    x = 1,961.17

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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.