Home / 5,151.98-7,110.09-2,913.87

Finding the Fourth Proportional to 5,151.98, 7,110.09 and 2,913.87

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Solution

The fourth proportional to 5,151.98, 7,110.09 and 2,913.87 is: 4,021.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,151.98 : 7,110.09 = 2,913.87 : x
  2. Step 2: Convert to fraction form
    5,151.98/7,110.09 = 2,913.87/x
  3. Step 3: Cross multiply
    5,151.98x = 7,110.09 × 2,913.87
  4. Step 4: Simplify right side
    5,151.98x = 20,717,863.38
  5. Step 5: Solve for x
    x = 20,717,863.38/5,151.98
  6. Step 6: Final answer
    x = 4,021.34

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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.