Home / 6,261.62-8,641.45-3,609.20

Finding the Fourth Proportional to 6,261.62, 8,641.45 and 3,609.20

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Solution

The fourth proportional to 6,261.62, 8,641.45 and 3,609.20 is: 4,980.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,261.62 : 8,641.45 = 3,609.20 : x
  2. Step 2: Convert to fraction form
    6,261.62/8,641.45 = 3,609.20/x
  3. Step 3: Cross multiply
    6,261.62x = 8,641.45 × 3,609.20
  4. Step 4: Simplify right side
    6,261.62x = 31,188,678.13
  5. Step 5: Solve for x
    x = 31,188,678.13/6,261.62
  6. Step 6: Final answer
    x = 4,980.93

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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.