Home / 4,884-6,740.40-2,788.16

Finding the Fourth Proportional to 4,884, 6,740.40 and 2,788.16

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Solution

The fourth proportional to 4,884, 6,740.40 and 2,788.16 is: 3,847.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,884 : 6,740.40 = 2,788.16 : x
  2. Step 2: Convert to fraction form
    4,884/6,740.40 = 2,788.16/x
  3. Step 3: Cross multiply
    4,884x = 6,740.40 × 2,788.16
  4. Step 4: Simplify right side
    4,884x = 18,793,313.66
  5. Step 5: Solve for x
    x = 18,793,313.66/4,884
  6. Step 6: Final answer
    x = 3,847.93

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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.