Home / 5,688.02-7,847.69-3,893.97

Finding the Fourth Proportional to 5,688.02, 7,847.69 and 3,893.97

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Solution

The fourth proportional to 5,688.02, 7,847.69 and 3,893.97 is: 5,372.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,688.02 : 7,847.69 = 3,893.97 : x
  2. Step 2: Convert to fraction form
    5,688.02/7,847.69 = 3,893.97/x
  3. Step 3: Cross multiply
    5,688.02x = 7,847.69 × 3,893.97
  4. Step 4: Simplify right side
    5,688.02x = 30,558,679.39
  5. Step 5: Solve for x
    x = 30,558,679.39/5,688.02
  6. Step 6: Final answer
    x = 5,372.46

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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.