Home / 6,690.41-9,232.09-3,705.68

Finding the Fourth Proportional to 6,690.41, 9,232.09 and 3,705.68

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Solution

The fourth proportional to 6,690.41, 9,232.09 and 3,705.68 is: 5,113.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,690.41 : 9,232.09 = 3,705.68 : x
  2. Step 2: Convert to fraction form
    6,690.41/9,232.09 = 3,705.68/x
  3. Step 3: Cross multiply
    6,690.41x = 9,232.09 × 3,705.68
  4. Step 4: Simplify right side
    6,690.41x = 34,211,209.35
  5. Step 5: Solve for x
    x = 34,211,209.35/6,690.41
  6. Step 6: Final answer
    x = 5,113.47

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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.