Home / 7,943.57-11,913.36-3,264.87

Finding the Fourth Proportional to 7,943.57, 11,913.36 and 3,264.87

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Solution

The fourth proportional to 7,943.57, 11,913.36 and 3,264.87 is: 4,896.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,943.57 : 11,913.36 = 3,264.87 : x
  2. Step 2: Convert to fraction form
    7,943.57/11,913.36 = 3,264.87/x
  3. Step 3: Cross multiply
    7,943.57x = 11,913.36 × 3,264.87
  4. Step 4: Simplify right side
    7,943.57x = 38,895,604.10
  5. Step 5: Solve for x
    x = 38,895,604.10/7,943.57
  6. Step 6: Final answer
    x = 4,896.49

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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.