Home / 8,341.31-11,495.11-5,979.35

Finding the Fourth Proportional to 8,341.31, 11,495.11 and 5,979.35

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Solution

The fourth proportional to 8,341.31, 11,495.11 and 5,979.35 is: 8,240.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,341.31 : 11,495.11 = 5,979.35 : x
  2. Step 2: Convert to fraction form
    8,341.31/11,495.11 = 5,979.35/x
  3. Step 3: Cross multiply
    8,341.31x = 11,495.11 × 5,979.35
  4. Step 4: Simplify right side
    8,341.31x = 68,733,285.98
  5. Step 5: Solve for x
    x = 68,733,285.98/8,341.31
  6. Step 6: Final answer
    x = 8,240.11

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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.