Home / 7,790.05-11,685.08-1,946.65

Finding the Fourth Proportional to 7,790.05, 11,685.08 and 1,946.65

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Solution

The fourth proportional to 7,790.05, 11,685.08 and 1,946.65 is: 2,919.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,790.05 : 11,685.08 = 1,946.65 : x
  2. Step 2: Convert to fraction form
    7,790.05/11,685.08 = 1,946.65/x
  3. Step 3: Cross multiply
    7,790.05x = 11,685.08 × 1,946.65
  4. Step 4: Simplify right side
    7,790.05x = 22,746,760.98
  5. Step 5: Solve for x
    x = 22,746,760.98/7,790.05
  6. Step 6: Final answer
    x = 2,919.98

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Double scale
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Similar ratio
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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.