Home / 7,415.13-11,122.74-3,029.52

Finding the Fourth Proportional to 7,415.13, 11,122.74 and 3,029.52

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Solution

The fourth proportional to 7,415.13, 11,122.74 and 3,029.52 is: 4,544.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,415.13 : 11,122.74 = 3,029.52 : x
  2. Step 2: Convert to fraction form
    7,415.13/11,122.74 = 3,029.52/x
  3. Step 3: Cross multiply
    7,415.13x = 11,122.74 × 3,029.52
  4. Step 4: Simplify right side
    7,415.13x = 33,696,563.28
  5. Step 5: Solve for x
    x = 33,696,563.28/7,415.13
  6. Step 6: Final answer
    x = 4,544.30

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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.