Home / 8,960.41-13,440.75-3,117.22

Finding the Fourth Proportional to 8,960.41, 13,440.75 and 3,117.22

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Solution

The fourth proportional to 8,960.41, 13,440.75 and 3,117.22 is: 4,675.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,960.41 : 13,440.75 = 3,117.22 : x
  2. Step 2: Convert to fraction form
    8,960.41/13,440.75 = 3,117.22/x
  3. Step 3: Cross multiply
    8,960.41x = 13,440.75 × 3,117.22
  4. Step 4: Simplify right side
    8,960.41x = 41,897,774.72
  5. Step 5: Solve for x
    x = 41,897,774.72/8,960.41
  6. Step 6: Final answer
    x = 4,675.88

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Half scale
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Double scale
Find fourth proportional to 8,961.41, 13,442.25 and 3,118.22
Similar ratio
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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.