Home / 8,740.71-13,108.23-2,895.75

Finding the Fourth Proportional to 8,740.71, 13,108.23 and 2,895.75

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Solution

The fourth proportional to 8,740.71, 13,108.23 and 2,895.75 is: 4,342.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,740.71 : 13,108.23 = 2,895.75 : x
  2. Step 2: Convert to fraction form
    8,740.71/13,108.23 = 2,895.75/x
  3. Step 3: Cross multiply
    8,740.71x = 13,108.23 × 2,895.75
  4. Step 4: Simplify right side
    8,740.71x = 37,958,157.02
  5. Step 5: Solve for x
    x = 37,958,157.02/8,740.71
  6. Step 6: Final answer
    x = 4,342.69

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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.