Home / 7,415.36-11,122.06-2,797.76

Finding the Fourth Proportional to 7,415.36, 11,122.06 and 2,797.76

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Solution

The fourth proportional to 7,415.36, 11,122.06 and 2,797.76 is: 4,196.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,415.36 : 11,122.06 = 2,797.76 : x
  2. Step 2: Convert to fraction form
    7,415.36/11,122.06 = 2,797.76/x
  3. Step 3: Cross multiply
    7,415.36x = 11,122.06 × 2,797.76
  4. Step 4: Simplify right side
    7,415.36x = 31,116,854.59
  5. Step 5: Solve for x
    x = 31,116,854.59/7,415.36
  6. Step 6: Final answer
    x = 4,196.27

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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.