Home / 4,827.20-6,661.60-2,837.92

Finding the Fourth Proportional to 4,827.20, 6,661.60 and 2,837.92

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Solution

The fourth proportional to 4,827.20, 6,661.60 and 2,837.92 is: 3,916.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,827.20 : 6,661.60 = 2,837.92 : x
  2. Step 2: Convert to fraction form
    4,827.20/6,661.60 = 2,837.92/x
  3. Step 3: Cross multiply
    4,827.20x = 6,661.60 × 2,837.92
  4. Step 4: Simplify right side
    4,827.20x = 18,905,087.87
  5. Step 5: Solve for x
    x = 18,905,087.87/4,827.20
  6. Step 6: Final answer
    x = 3,916.37

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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.