Home / 7,919.36-11,827.35-6,736.76

Finding the Fourth Proportional to 7,919.36, 11,827.35 and 6,736.76

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Solution

The fourth proportional to 7,919.36, 11,827.35 and 6,736.76 is: 10,061.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,919.36 : 11,827.35 = 6,736.76 : x
  2. Step 2: Convert to fraction form
    7,919.36/11,827.35 = 6,736.76/x
  3. Step 3: Cross multiply
    7,919.36x = 11,827.35 × 6,736.76
  4. Step 4: Simplify right side
    7,919.36x = 79,678,018.39
  5. Step 5: Solve for x
    x = 79,678,018.39/7,919.36
  6. Step 6: Final answer
    x = 10,061.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.