Home / 8,989.49-13,486.17-3,442.83

Finding the Fourth Proportional to 8,989.49, 13,486.17 and 3,442.83

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Solution

The fourth proportional to 8,989.49, 13,486.17 and 3,442.83 is: 5,164.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,989.49 : 13,486.17 = 3,442.83 : x
  2. Step 2: Convert to fraction form
    8,989.49/13,486.17 = 3,442.83/x
  3. Step 3: Cross multiply
    8,989.49x = 13,486.17 × 3,442.83
  4. Step 4: Simplify right side
    8,989.49x = 46,430,590.66
  5. Step 5: Solve for x
    x = 46,430,590.66/8,989.49
  6. Step 6: Final answer
    x = 5,164.99

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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.