Home / 8,239.18-11,360.96-6,346.56

Finding the Fourth Proportional to 8,239.18, 11,360.96 and 6,346.56

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Solution

The fourth proportional to 8,239.18, 11,360.96 and 6,346.56 is: 8,751.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,239.18 : 11,360.96 = 6,346.56 : x
  2. Step 2: Convert to fraction form
    8,239.18/11,360.96 = 6,346.56/x
  3. Step 3: Cross multiply
    8,239.18x = 11,360.96 × 6,346.56
  4. Step 4: Simplify right side
    8,239.18x = 72,103,014.30
  5. Step 5: Solve for x
    x = 72,103,014.30/8,239.18
  6. Step 6: Final answer
    x = 8,751.24

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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.