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Finding the Fourth Proportional to 7,605.90, 10,496.06 and 4,249.05

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Solution

The fourth proportional to 7,605.90, 10,496.06 and 4,249.05 is: 5,863.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,605.90 : 10,496.06 = 4,249.05 : x
  2. Step 2: Convert to fraction form
    7,605.90/10,496.06 = 4,249.05/x
  3. Step 3: Cross multiply
    7,605.90x = 10,496.06 × 4,249.05
  4. Step 4: Simplify right side
    7,605.90x = 44,598,283.74
  5. Step 5: Solve for x
    x = 44,598,283.74/7,605.90
  6. Step 6: Final answer
    x = 5,863.64

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Half scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.