Home / 4,935.60-7,403.40-1,648.80

Finding the Fourth Proportional to 4,935.60, 7,403.40 and 1,648.80

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Solution

The fourth proportional to 4,935.60, 7,403.40 and 1,648.80 is: 2,473.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,935.60 : 7,403.40 = 1,648.80 : x
  2. Step 2: Convert to fraction form
    4,935.60/7,403.40 = 1,648.80/x
  3. Step 3: Cross multiply
    4,935.60x = 7,403.40 × 1,648.80
  4. Step 4: Simplify right side
    4,935.60x = 12,206,725.92
  5. Step 5: Solve for x
    x = 12,206,725.92/4,935.60
  6. Step 6: Final answer
    x = 2,473.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.