Home / 7,578.29-11,367.89-2,384.16

Finding the Fourth Proportional to 7,578.29, 11,367.89 and 2,384.16

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Solution

The fourth proportional to 7,578.29, 11,367.89 and 2,384.16 is: 3,576.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,578.29 : 11,367.89 = 2,384.16 : x
  2. Step 2: Convert to fraction form
    7,578.29/11,367.89 = 2,384.16/x
  3. Step 3: Cross multiply
    7,578.29x = 11,367.89 × 2,384.16
  4. Step 4: Simplify right side
    7,578.29x = 27,102,856.70
  5. Step 5: Solve for x
    x = 27,102,856.70/7,578.29
  6. Step 6: Final answer
    x = 3,576.38

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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.