Home / 6,107.90-9,156.45-3,640.10

Finding the Fourth Proportional to 6,107.90, 9,156.45 and 3,640.10

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Solution

The fourth proportional to 6,107.90, 9,156.45 and 3,640.10 is: 5,456.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,107.90 : 9,156.45 = 3,640.10 : x
  2. Step 2: Convert to fraction form
    6,107.90/9,156.45 = 3,640.10/x
  3. Step 3: Cross multiply
    6,107.90x = 9,156.45 × 3,640.10
  4. Step 4: Simplify right side
    6,107.90x = 33,330,393.65
  5. Step 5: Solve for x
    x = 33,330,393.65/6,107.90
  6. Step 6: Final answer
    x = 5,456.93

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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.