Home / 6,607.35-9,911.25-3,318.66

Finding the Fourth Proportional to 6,607.35, 9,911.25 and 3,318.66

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Solution

The fourth proportional to 6,607.35, 9,911.25 and 3,318.66 is: 4,978.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,607.35 : 9,911.25 = 3,318.66 : x
  2. Step 2: Convert to fraction form
    6,607.35/9,911.25 = 3,318.66/x
  3. Step 3: Cross multiply
    6,607.35x = 9,911.25 × 3,318.66
  4. Step 4: Simplify right side
    6,607.35x = 32,892,068.93
  5. Step 5: Solve for x
    x = 32,892,068.93/6,607.35
  6. Step 6: Final answer
    x = 4,978.10

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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.