Home / 5,960.78-8,225.90-3,308.19

Finding the Fourth Proportional to 5,960.78, 8,225.90 and 3,308.19

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Solution

The fourth proportional to 5,960.78, 8,225.90 and 3,308.19 is: 4,565.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,960.78 : 8,225.90 = 3,308.19 : x
  2. Step 2: Convert to fraction form
    5,960.78/8,225.90 = 3,308.19/x
  3. Step 3: Cross multiply
    5,960.78x = 8,225.90 × 3,308.19
  4. Step 4: Simplify right side
    5,960.78x = 27,212,840.12
  5. Step 5: Solve for x
    x = 27,212,840.12/5,960.78
  6. Step 6: Final answer
    x = 4,565.32

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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.