Home / 7,063.83-9,747.81-3,919.95

Finding the Fourth Proportional to 7,063.83, 9,747.81 and 3,919.95

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Solution

The fourth proportional to 7,063.83, 9,747.81 and 3,919.95 is: 5,409.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,063.83 : 9,747.81 = 3,919.95 : x
  2. Step 2: Convert to fraction form
    7,063.83/9,747.81 = 3,919.95/x
  3. Step 3: Cross multiply
    7,063.83x = 9,747.81 × 3,919.95
  4. Step 4: Simplify right side
    7,063.83x = 38,210,927.81
  5. Step 5: Solve for x
    x = 38,210,927.81/7,063.83
  6. Step 6: Final answer
    x = 5,409.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.