Home / 8,961.18-12,365.26-4,981.50

Finding the Fourth Proportional to 8,961.18, 12,365.26 and 4,981.50

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Solution

The fourth proportional to 8,961.18, 12,365.26 and 4,981.50 is: 6,873.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,961.18 : 12,365.26 = 4,981.50 : x
  2. Step 2: Convert to fraction form
    8,961.18/12,365.26 = 4,981.50/x
  3. Step 3: Cross multiply
    8,961.18x = 12,365.26 × 4,981.50
  4. Step 4: Simplify right side
    8,961.18x = 61,597,530.24
  5. Step 5: Solve for x
    x = 61,597,530.24/8,961.18
  6. Step 6: Final answer
    x = 6,873.82

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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.