Home / 4,904.42-6,767.95-2,780.15

Finding the Fourth Proportional to 4,904.42, 6,767.95 and 2,780.15

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Solution

The fourth proportional to 4,904.42, 6,767.95 and 2,780.15 is: 3,836.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,904.42 : 6,767.95 = 2,780.15 : x
  2. Step 2: Convert to fraction form
    4,904.42/6,767.95 = 2,780.15/x
  3. Step 3: Cross multiply
    4,904.42x = 6,767.95 × 2,780.15
  4. Step 4: Simplify right side
    4,904.42x = 18,815,885.83
  5. Step 5: Solve for x
    x = 18,815,885.83/4,904.42
  6. Step 6: Final answer
    x = 3,836.52

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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.