Home / 4,828.20-6,661.60-2,838.04

Finding the Fourth Proportional to 4,828.20, 6,661.60 and 2,838.04

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Solution

The fourth proportional to 4,828.20, 6,661.60 and 2,838.04 is: 3,915.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,828.20 : 6,661.60 = 2,838.04 : x
  2. Step 2: Convert to fraction form
    4,828.20/6,661.60 = 2,838.04/x
  3. Step 3: Cross multiply
    4,828.20x = 6,661.60 × 2,838.04
  4. Step 4: Simplify right side
    4,828.20x = 18,905,887.26
  5. Step 5: Solve for x
    x = 18,905,887.26/4,828.20
  6. Step 6: Final answer
    x = 3,915.72

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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.