Home / 4,827.20-6,660.96-2,837.60

Finding the Fourth Proportional to 4,827.20, 6,660.96 and 2,837.60

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Solution

The fourth proportional to 4,827.20, 6,660.96 and 2,837.60 is: 3,915.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,827.20 : 6,660.96 = 2,837.60 : x
  2. Step 2: Convert to fraction form
    4,827.20/6,660.96 = 2,837.60/x
  3. Step 3: Cross multiply
    4,827.20x = 6,660.96 × 2,837.60
  4. Step 4: Simplify right side
    4,827.20x = 18,901,140.10
  5. Step 5: Solve for x
    x = 18,901,140.10/4,827.20
  6. Step 6: Final answer
    x = 3,915.55

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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.