Home / 6,671.63-10,002.05-2,778.95

Finding the Fourth Proportional to 6,671.63, 10,002.05 and 2,778.95

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Solution

The fourth proportional to 6,671.63, 10,002.05 and 2,778.95 is: 4,166.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,671.63 : 10,002.05 = 2,778.95 : x
  2. Step 2: Convert to fraction form
    6,671.63/10,002.05 = 2,778.95/x
  3. Step 3: Cross multiply
    6,671.63x = 10,002.05 × 2,778.95
  4. Step 4: Simplify right side
    6,671.63x = 27,795,182.95
  5. Step 5: Solve for x
    x = 27,795,182.95/6,671.63
  6. Step 6: Final answer
    x = 4,166.18

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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.