Home / 7,415.51-11,124.24-2,738.81

Finding the Fourth Proportional to 7,415.51, 11,124.24 and 2,738.81

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Solution

The fourth proportional to 7,415.51, 11,124.24 and 2,738.81 is: 4,108.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,415.51 : 11,124.24 = 2,738.81 : x
  2. Step 2: Convert to fraction form
    7,415.51/11,124.24 = 2,738.81/x
  3. Step 3: Cross multiply
    7,415.51x = 11,124.24 × 2,738.81
  4. Step 4: Simplify right side
    7,415.51x = 30,467,124.13
  5. Step 5: Solve for x
    x = 30,467,124.13/7,415.51
  6. Step 6: Final answer
    x = 4,108.57

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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.