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Finding the Fourth Proportional to 6,919.84, 10,371.91 and 6,085.29

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Solution

The fourth proportional to 6,919.84, 10,371.91 and 6,085.29 is: 9,121.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,919.84 : 10,371.91 = 6,085.29 : x
  2. Step 2: Convert to fraction form
    6,919.84/10,371.91 = 6,085.29/x
  3. Step 3: Cross multiply
    6,919.84x = 10,371.91 × 6,085.29
  4. Step 4: Simplify right side
    6,919.84x = 63,116,080.20
  5. Step 5: Solve for x
    x = 63,116,080.20/6,919.84
  6. Step 6: Final answer
    x = 9,121.03

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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.