Home / 8,264.34-11,389.41-5,611.86

Finding the Fourth Proportional to 8,264.34, 11,389.41 and 5,611.86

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Solution

The fourth proportional to 8,264.34, 11,389.41 and 5,611.86 is: 7,733.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,264.34 : 11,389.41 = 5,611.86 : x
  2. Step 2: Convert to fraction form
    8,264.34/11,389.41 = 5,611.86/x
  3. Step 3: Cross multiply
    8,264.34x = 11,389.41 × 5,611.86
  4. Step 4: Simplify right side
    8,264.34x = 63,915,774.40
  5. Step 5: Solve for x
    x = 63,915,774.40/8,264.34
  6. Step 6: Final answer
    x = 7,733.92

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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.