Home / 6,690.19-9,232.41-3,706.21

Finding the Fourth Proportional to 6,690.19, 9,232.41 and 3,706.21

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Solution

The fourth proportional to 6,690.19, 9,232.41 and 3,706.21 is: 5,114.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,690.19 : 9,232.41 = 3,706.21 : x
  2. Step 2: Convert to fraction form
    6,690.19/9,232.41 = 3,706.21/x
  3. Step 3: Cross multiply
    6,690.19x = 9,232.41 × 3,706.21
  4. Step 4: Simplify right side
    6,690.19x = 34,217,250.27
  5. Step 5: Solve for x
    x = 34,217,250.27/6,690.19
  6. Step 6: Final answer
    x = 5,114.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.