Home / 5,160.14-7,122.81-3,064.25

Finding the Fourth Proportional to 5,160.14, 7,122.81 and 3,064.25

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Solution

The fourth proportional to 5,160.14, 7,122.81 and 3,064.25 is: 4,229.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,160.14 : 7,122.81 = 3,064.25 : x
  2. Step 2: Convert to fraction form
    5,160.14/7,122.81 = 3,064.25/x
  3. Step 3: Cross multiply
    5,160.14x = 7,122.81 × 3,064.25
  4. Step 4: Simplify right side
    5,160.14x = 21,826,070.54
  5. Step 5: Solve for x
    x = 21,826,070.54/5,160.14
  6. Step 6: Final answer
    x = 4,229.74

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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.