Home / 4,118.56-5,688.60-2,997.72

Finding the Fourth Proportional to 4,118.56, 5,688.60 and 2,997.72

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Solution

The fourth proportional to 4,118.56, 5,688.60 and 2,997.72 is: 4,140.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,118.56 : 5,688.60 = 2,997.72 : x
  2. Step 2: Convert to fraction form
    4,118.56/5,688.60 = 2,997.72/x
  3. Step 3: Cross multiply
    4,118.56x = 5,688.60 × 2,997.72
  4. Step 4: Simplify right side
    4,118.56x = 17,052,829.99
  5. Step 5: Solve for x
    x = 17,052,829.99/4,118.56
  6. Step 6: Final answer
    x = 4,140.48

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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.