Home / 7,647.39-11,472.74-2,382.29

Finding the Fourth Proportional to 7,647.39, 11,472.74 and 2,382.29

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Solution

The fourth proportional to 7,647.39, 11,472.74 and 2,382.29 is: 3,573.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,647.39 : 11,472.74 = 2,382.29 : x
  2. Step 2: Convert to fraction form
    7,647.39/11,472.74 = 2,382.29/x
  3. Step 3: Cross multiply
    7,647.39x = 11,472.74 × 2,382.29
  4. Step 4: Simplify right side
    7,647.39x = 27,331,393.77
  5. Step 5: Solve for x
    x = 27,331,393.77/7,647.39
  6. Step 6: Final answer
    x = 3,573.95

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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.