Home / 6,875.20-9,487.86-3,731.50

Finding the Fourth Proportional to 6,875.20, 9,487.86 and 3,731.50

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Solution

The fourth proportional to 6,875.20, 9,487.86 and 3,731.50 is: 5,149.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,875.20 : 9,487.86 = 3,731.50 : x
  2. Step 2: Convert to fraction form
    6,875.20/9,487.86 = 3,731.50/x
  3. Step 3: Cross multiply
    6,875.20x = 9,487.86 × 3,731.50
  4. Step 4: Simplify right side
    6,875.20x = 35,403,949.59
  5. Step 5: Solve for x
    x = 35,403,949.59/6,875.20
  6. Step 6: Final answer
    x = 5,149.52

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.