Home / 4,829.60-6,665.82-3,151.28

Finding the Fourth Proportional to 4,829.60, 6,665.82 and 3,151.28

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Solution

The fourth proportional to 4,829.60, 6,665.82 and 3,151.28 is: 4,349.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,829.60 : 6,665.82 = 3,151.28 : x
  2. Step 2: Convert to fraction form
    4,829.60/6,665.82 = 3,151.28/x
  3. Step 3: Cross multiply
    4,829.60x = 6,665.82 × 3,151.28
  4. Step 4: Simplify right side
    4,829.60x = 21,005,865.25
  5. Step 5: Solve for x
    x = 21,005,865.25/4,829.60
  6. Step 6: Final answer
    x = 4,349.40

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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.