Home / 7,883.18-11,817.21-3,500.18

Finding the Fourth Proportional to 7,883.18, 11,817.21 and 3,500.18

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Solution

The fourth proportional to 7,883.18, 11,817.21 and 3,500.18 is: 5,246.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,883.18 : 11,817.21 = 3,500.18 : x
  2. Step 2: Convert to fraction form
    7,883.18/11,817.21 = 3,500.18/x
  3. Step 3: Cross multiply
    7,883.18x = 11,817.21 × 3,500.18
  4. Step 4: Simplify right side
    7,883.18x = 41,362,362.10
  5. Step 5: Solve for x
    x = 41,362,362.10/7,883.18
  6. Step 6: Final answer
    x = 5,246.91

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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.