Home / 6,875.48-9,487.92-3,731.60

Finding the Fourth Proportional to 6,875.48, 9,487.92 and 3,731.60

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Solution

The fourth proportional to 6,875.48, 9,487.92 and 3,731.60 is: 5,149.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,875.48 : 9,487.92 = 3,731.60 : x
  2. Step 2: Convert to fraction form
    6,875.48/9,487.92 = 3,731.60/x
  3. Step 3: Cross multiply
    6,875.48x = 9,487.92 × 3,731.60
  4. Step 4: Simplify right side
    6,875.48x = 35,405,122.27
  5. Step 5: Solve for x
    x = 35,405,122.27/6,875.48
  6. Step 6: Final answer
    x = 5,149.48

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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.