Home / 4,398.92-6,590.10-3,420.26

Finding the Fourth Proportional to 4,398.92, 6,590.10 and 3,420.26

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Solution

The fourth proportional to 4,398.92, 6,590.10 and 3,420.26 is: 5,123.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,398.92 : 6,590.10 = 3,420.26 : x
  2. Step 2: Convert to fraction form
    4,398.92/6,590.10 = 3,420.26/x
  3. Step 3: Cross multiply
    4,398.92x = 6,590.10 × 3,420.26
  4. Step 4: Simplify right side
    4,398.92x = 22,539,855.43
  5. Step 5: Solve for x
    x = 22,539,855.43/4,398.92
  6. Step 6: Final answer
    x = 5,123.95

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1.5x scale

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.