Home / 4,290.52-6,432.34-2,818.90

Finding the Fourth Proportional to 4,290.52, 6,432.34 and 2,818.90

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Solution

The fourth proportional to 4,290.52, 6,432.34 and 2,818.90 is: 4,226.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,290.52 : 6,432.34 = 2,818.90 : x
  2. Step 2: Convert to fraction form
    4,290.52/6,432.34 = 2,818.90/x
  3. Step 3: Cross multiply
    4,290.52x = 6,432.34 × 2,818.90
  4. Step 4: Simplify right side
    4,290.52x = 18,132,123.23
  5. Step 5: Solve for x
    x = 18,132,123.23/4,290.52
  6. Step 6: Final answer
    x = 4,226.09

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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.