Home / 8,439.26-11,646.99-4,663.31

Finding the Fourth Proportional to 8,439.26, 11,646.99 and 4,663.31

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Solution

The fourth proportional to 8,439.26, 11,646.99 and 4,663.31 is: 6,435.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,439.26 : 11,646.99 = 4,663.31 : x
  2. Step 2: Convert to fraction form
    8,439.26/11,646.99 = 4,663.31/x
  3. Step 3: Cross multiply
    8,439.26x = 11,646.99 × 4,663.31
  4. Step 4: Simplify right side
    8,439.26x = 54,313,466.70
  5. Step 5: Solve for x
    x = 54,313,466.70/8,439.26
  6. Step 6: Final answer
    x = 6,435.81

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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.