Home / 8,690.49-13,033.70-4,007.58

Finding the Fourth Proportional to 8,690.49, 13,033.70 and 4,007.58

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Solution

The fourth proportional to 8,690.49, 13,033.70 and 4,007.58 is: 6,010.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,690.49 : 13,033.70 = 4,007.58 : x
  2. Step 2: Convert to fraction form
    8,690.49/13,033.70 = 4,007.58/x
  3. Step 3: Cross multiply
    8,690.49x = 13,033.70 × 4,007.58
  4. Step 4: Simplify right side
    8,690.49x = 52,233,575.41
  5. Step 5: Solve for x
    x = 52,233,575.41/8,690.49
  6. Step 6: Final answer
    x = 6,010.43

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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.