Home / 5,516.37-7,612.75-3,393.14

Finding the Fourth Proportional to 5,516.37, 7,612.75 and 3,393.14

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Solution

The fourth proportional to 5,516.37, 7,612.75 and 3,393.14 is: 4,682.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,516.37 : 7,612.75 = 3,393.14 : x
  2. Step 2: Convert to fraction form
    5,516.37/7,612.75 = 3,393.14/x
  3. Step 3: Cross multiply
    5,516.37x = 7,612.75 × 3,393.14
  4. Step 4: Simplify right side
    5,516.37x = 25,831,154.05
  5. Step 5: Solve for x
    x = 25,831,154.05/5,516.37
  6. Step 6: Final answer
    x = 4,682.64

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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.