Home / 6,689.94-9,232.32-3,706.05

Finding the Fourth Proportional to 6,689.94, 9,232.32 and 3,706.05

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Solution

The fourth proportional to 6,689.94, 9,232.32 and 3,706.05 is: 5,114.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,689.94 : 9,232.32 = 3,706.05 : x
  2. Step 2: Convert to fraction form
    6,689.94/9,232.32 = 3,706.05/x
  3. Step 3: Cross multiply
    6,689.94x = 9,232.32 × 3,706.05
  4. Step 4: Simplify right side
    6,689.94x = 34,215,462.62
  5. Step 5: Solve for x
    x = 34,215,462.62/6,689.94
  6. Step 6: Final answer
    x = 5,114.46

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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.