Home / 7,794.12-11,690.46-1,950.72

Finding the Fourth Proportional to 7,794.12, 11,690.46 and 1,950.72

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Solution

The fourth proportional to 7,794.12, 11,690.46 and 1,950.72 is: 2,925.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,794.12 : 11,690.46 = 1,950.72 : x
  2. Step 2: Convert to fraction form
    7,794.12/11,690.46 = 1,950.72/x
  3. Step 3: Cross multiply
    7,794.12x = 11,690.46 × 1,950.72
  4. Step 4: Simplify right side
    7,794.12x = 22,804,814.13
  5. Step 5: Solve for x
    x = 22,804,814.13/7,794.12
  6. Step 6: Final answer
    x = 2,925.90

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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.