Home / 5,155-7,113.94-3,060.92

Finding the Fourth Proportional to 5,155, 7,113.94 and 3,060.92

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Solution

The fourth proportional to 5,155, 7,113.94 and 3,060.92 is: 4,224.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,155 : 7,113.94 = 3,060.92 : x
  2. Step 2: Convert to fraction form
    5,155/7,113.94 = 3,060.92/x
  3. Step 3: Cross multiply
    5,155x = 7,113.94 × 3,060.92
  4. Step 4: Simplify right side
    5,155x = 21,775,201.22
  5. Step 5: Solve for x
    x = 21,775,201.22/5,155
  6. Step 6: Final answer
    x = 4,224.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.