Home / 4,812.75-6,641.60-2,717.28

Finding the Fourth Proportional to 4,812.75, 6,641.60 and 2,717.28

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Solution

The fourth proportional to 4,812.75, 6,641.60 and 2,717.28 is: 3,749.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,812.75 : 6,641.60 = 2,717.28 : x
  2. Step 2: Convert to fraction form
    4,812.75/6,641.60 = 2,717.28/x
  3. Step 3: Cross multiply
    4,812.75x = 6,641.60 × 2,717.28
  4. Step 4: Simplify right side
    4,812.75x = 18,047,073.26
  5. Step 5: Solve for x
    x = 18,047,073.26/4,812.75
  6. Step 6: Final answer
    x = 3,749.85

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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.