Home / 6,118.62-9,178.60-1,957.65

Finding the Fourth Proportional to 6,118.62, 9,178.60 and 1,957.65

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Solution

The fourth proportional to 6,118.62, 9,178.60 and 1,957.65 is: 2,936.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,118.62 : 9,178.60 = 1,957.65 : x
  2. Step 2: Convert to fraction form
    6,118.62/9,178.60 = 1,957.65/x
  3. Step 3: Cross multiply
    6,118.62x = 9,178.60 × 1,957.65
  4. Step 4: Simplify right side
    6,118.62x = 17,968,476.50
  5. Step 5: Solve for x
    x = 17,968,476.50/6,118.62
  6. Step 6: Final answer
    x = 2,936.69

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Double scale
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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.