Home / 6,690.34-9,233.19-3,706.46

Finding the Fourth Proportional to 6,690.34, 9,233.19 and 3,706.46

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Solution

The fourth proportional to 6,690.34, 9,233.19 and 3,706.46 is: 5,115.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,690.34 : 9,233.19 = 3,706.46 : x
  2. Step 2: Convert to fraction form
    6,690.34/9,233.19 = 3,706.46/x
  3. Step 3: Cross multiply
    6,690.34x = 9,233.19 × 3,706.46
  4. Step 4: Simplify right side
    6,690.34x = 34,222,384.71
  5. Step 5: Solve for x
    x = 34,222,384.71/6,690.34
  6. Step 6: Final answer
    x = 5,115.20

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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.