Home / 6,291.60-9,439.62-3,520.65

Finding the Fourth Proportional to 6,291.60, 9,439.62 and 3,520.65

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Solution

The fourth proportional to 6,291.60, 9,439.62 and 3,520.65 is: 5,282.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,291.60 : 9,439.62 = 3,520.65 : x
  2. Step 2: Convert to fraction form
    6,291.60/9,439.62 = 3,520.65/x
  3. Step 3: Cross multiply
    6,291.60x = 9,439.62 × 3,520.65
  4. Step 4: Simplify right side
    6,291.60x = 33,233,598.15
  5. Step 5: Solve for x
    x = 33,233,598.15/6,291.60
  6. Step 6: Final answer
    x = 5,282.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.