Home / 8,491.43-11,718.37-4,714.50

Finding the Fourth Proportional to 8,491.43, 11,718.37 and 4,714.50

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Solution

The fourth proportional to 8,491.43, 11,718.37 and 4,714.50 is: 6,506.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,491.43 : 11,718.37 = 4,714.50 : x
  2. Step 2: Convert to fraction form
    8,491.43/11,718.37 = 4,714.50/x
  3. Step 3: Cross multiply
    8,491.43x = 11,718.37 × 4,714.50
  4. Step 4: Simplify right side
    8,491.43x = 55,246,305.20
  5. Step 5: Solve for x
    x = 55,246,305.20/8,491.43
  6. Step 6: Final answer
    x = 6,506.12

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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.