Home / 4,280.74-6,418.00-2,890.63

Finding the Fourth Proportional to 4,280.74, 6,418.00 and 2,890.63

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Solution

The fourth proportional to 4,280.74, 6,418.00 and 2,890.63 is: 4,333.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,280.74 : 6,418.00 = 2,890.63 : x
  2. Step 2: Convert to fraction form
    4,280.74/6,418.00 = 2,890.63/x
  3. Step 3: Cross multiply
    4,280.74x = 6,418.00 × 2,890.63
  4. Step 4: Simplify right side
    4,280.74x = 18,552,040.07
  5. Step 5: Solve for x
    x = 18,552,040.07/4,280.74
  6. Step 6: Final answer
    x = 4,333.84

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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.