Home / 5,110.09-7,669.25-2,890.28

Finding the Fourth Proportional to 5,110.09, 7,669.25 and 2,890.28

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Solution

The fourth proportional to 5,110.09, 7,669.25 and 2,890.28 is: 4,337.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,110.09 : 7,669.25 = 2,890.28 : x
  2. Step 2: Convert to fraction form
    5,110.09/7,669.25 = 2,890.28/x
  3. Step 3: Cross multiply
    5,110.09x = 7,669.25 × 2,890.28
  4. Step 4: Simplify right side
    5,110.09x = 22,166,295.45
  5. Step 5: Solve for x
    x = 22,166,295.45/5,110.09
  6. Step 6: Final answer
    x = 4,337.75

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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.