Home / 8,491.36-11,719.48-4,954.57

Finding the Fourth Proportional to 8,491.36, 11,719.48 and 4,954.57

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Solution

The fourth proportional to 8,491.36, 11,719.48 and 4,954.57 is: 6,838.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,491.36 : 11,719.48 = 4,954.57 : x
  2. Step 2: Convert to fraction form
    8,491.36/11,719.48 = 4,954.57/x
  3. Step 3: Cross multiply
    8,491.36x = 11,719.48 × 4,954.57
  4. Step 4: Simplify right side
    8,491.36x = 58,064,900.65
  5. Step 5: Solve for x
    x = 58,064,900.65/8,491.36
  6. Step 6: Final answer
    x = 6,838.11

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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.