Home / 8,426.96-11,631.52-4,891.31

Finding the Fourth Proportional to 8,426.96, 11,631.52 and 4,891.31

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Solution

The fourth proportional to 8,426.96, 11,631.52 and 4,891.31 is: 6,751.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,426.96 : 11,631.52 = 4,891.31 : x
  2. Step 2: Convert to fraction form
    8,426.96/11,631.52 = 4,891.31/x
  3. Step 3: Cross multiply
    8,426.96x = 11,631.52 × 4,891.31
  4. Step 4: Simplify right side
    8,426.96x = 56,893,405.28
  5. Step 5: Solve for x
    x = 56,893,405.28/8,426.96
  6. Step 6: Final answer
    x = 6,751.35

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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.