Home / 8,739.93-13,111.95-2,500.05

Finding the Fourth Proportional to 8,739.93, 13,111.95 and 2,500.05

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Solution

The fourth proportional to 8,739.93, 13,111.95 and 2,500.05 is: 3,750.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,739.93 : 13,111.95 = 2,500.05 : x
  2. Step 2: Convert to fraction form
    8,739.93/13,111.95 = 2,500.05/x
  3. Step 3: Cross multiply
    8,739.93x = 13,111.95 × 2,500.05
  4. Step 4: Simplify right side
    8,739.93x = 32,780,530.60
  5. Step 5: Solve for x
    x = 32,780,530.60/8,739.93
  6. Step 6: Final answer
    x = 3,750.66

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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.