Home / 6,650.12-9,957.32-3,720.08

Finding the Fourth Proportional to 6,650.12, 9,957.32 and 3,720.08

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Solution

The fourth proportional to 6,650.12, 9,957.32 and 3,720.08 is: 5,570.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,650.12 : 9,957.32 = 3,720.08 : x
  2. Step 2: Convert to fraction form
    6,650.12/9,957.32 = 3,720.08/x
  3. Step 3: Cross multiply
    6,650.12x = 9,957.32 × 3,720.08
  4. Step 4: Simplify right side
    6,650.12x = 37,042,026.99
  5. Step 5: Solve for x
    x = 37,042,026.99/6,650.12
  6. Step 6: Final answer
    x = 5,570.13

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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.