Home / 7,415.26-11,121.71-2,484.92

Finding the Fourth Proportional to 7,415.26, 11,121.71 and 2,484.92

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Solution

The fourth proportional to 7,415.26, 11,121.71 and 2,484.92 is: 3,726.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,415.26 : 11,121.71 = 2,484.92 : x
  2. Step 2: Convert to fraction form
    7,415.26/11,121.71 = 2,484.92/x
  3. Step 3: Cross multiply
    7,415.26x = 11,121.71 × 2,484.92
  4. Step 4: Simplify right side
    7,415.26x = 27,636,574.99
  5. Step 5: Solve for x
    x = 27,636,574.99/7,415.26
  6. Step 6: Final answer
    x = 3,726.99

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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.