Home / 7,622.91-11,437.81-2,943.95

Finding the Fourth Proportional to 7,622.91, 11,437.81 and 2,943.95

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Solution

The fourth proportional to 7,622.91, 11,437.81 and 2,943.95 is: 4,417.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,622.91 : 11,437.81 = 2,943.95 : x
  2. Step 2: Convert to fraction form
    7,622.91/11,437.81 = 2,943.95/x
  3. Step 3: Cross multiply
    7,622.91x = 11,437.81 × 2,943.95
  4. Step 4: Simplify right side
    7,622.91x = 33,672,276.20
  5. Step 5: Solve for x
    x = 33,672,276.20/7,622.91
  6. Step 6: Final answer
    x = 4,417.25

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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.