Home / 6,690.07-9,232.31-3,705.85

Finding the Fourth Proportional to 6,690.07, 9,232.31 and 3,705.85

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Solution

The fourth proportional to 6,690.07, 9,232.31 and 3,705.85 is: 5,114.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,690.07 : 9,232.31 = 3,705.85 : x
  2. Step 2: Convert to fraction form
    6,690.07/9,232.31 = 3,705.85/x
  3. Step 3: Cross multiply
    6,690.07x = 9,232.31 × 3,705.85
  4. Step 4: Simplify right side
    6,690.07x = 34,213,576.82
  5. Step 5: Solve for x
    x = 34,213,576.82/6,690.07
  6. Step 6: Final answer
    x = 5,114.08

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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.