Home / 7,667.16-11,491.14-3,279.48

Finding the Fourth Proportional to 7,667.16, 11,491.14 and 3,279.48

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Solution

The fourth proportional to 7,667.16, 11,491.14 and 3,279.48 is: 4,915.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,667.16 : 11,491.14 = 3,279.48 : x
  2. Step 2: Convert to fraction form
    7,667.16/11,491.14 = 3,279.48/x
  3. Step 3: Cross multiply
    7,667.16x = 11,491.14 × 3,279.48
  4. Step 4: Simplify right side
    7,667.16x = 37,684,963.81
  5. Step 5: Solve for x
    x = 37,684,963.81/7,667.16
  6. Step 6: Final answer
    x = 4,915.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.