Home / 5,085.76-7,628.64-2,896.33

Finding the Fourth Proportional to 5,085.76, 7,628.64 and 2,896.33

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Solution

The fourth proportional to 5,085.76, 7,628.64 and 2,896.33 is: 4,344.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,085.76 : 7,628.64 = 2,896.33 : x
  2. Step 2: Convert to fraction form
    5,085.76/7,628.64 = 2,896.33/x
  3. Step 3: Cross multiply
    5,085.76x = 7,628.64 × 2,896.33
  4. Step 4: Simplify right side
    5,085.76x = 22,095,058.89
  5. Step 5: Solve for x
    x = 22,095,058.89/5,085.76
  6. Step 6: Final answer
    x = 4,344.50

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Similar ratio
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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.