Home / 6,721.08-10,081.61-2,774.57

Finding the Fourth Proportional to 6,721.08, 10,081.61 and 2,774.57

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Solution

The fourth proportional to 6,721.08, 10,081.61 and 2,774.57 is: 4,161.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,721.08 : 10,081.61 = 2,774.57 : x
  2. Step 2: Convert to fraction form
    6,721.08/10,081.61 = 2,774.57/x
  3. Step 3: Cross multiply
    6,721.08x = 10,081.61 × 2,774.57
  4. Step 4: Simplify right side
    6,721.08x = 27,972,068.38
  5. Step 5: Solve for x
    x = 27,972,068.38/6,721.08
  6. Step 6: Final answer
    x = 4,161.84

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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.