Home / 8,817.53-13,212.59-5,110.56

Finding the Fourth Proportional to 8,817.53, 13,212.59 and 5,110.56

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Solution

The fourth proportional to 8,817.53, 13,212.59 and 5,110.56 is: 7,657.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,817.53 : 13,212.59 = 5,110.56 : x
  2. Step 2: Convert to fraction form
    8,817.53/13,212.59 = 5,110.56/x
  3. Step 3: Cross multiply
    8,817.53x = 13,212.59 × 5,110.56
  4. Step 4: Simplify right side
    8,817.53x = 67,523,708.40
  5. Step 5: Solve for x
    x = 67,523,708.40/8,817.53
  6. Step 6: Final answer
    x = 7,657.90

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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.