Home / 5,217.12-7,202.16-3,644.64

Finding the Fourth Proportional to 5,217.12, 7,202.16 and 3,644.64

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Solution

The fourth proportional to 5,217.12, 7,202.16 and 3,644.64 is: 5,031.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,217.12 : 7,202.16 = 3,644.64 : x
  2. Step 2: Convert to fraction form
    5,217.12/7,202.16 = 3,644.64/x
  3. Step 3: Cross multiply
    5,217.12x = 7,202.16 × 3,644.64
  4. Step 4: Simplify right side
    5,217.12x = 26,249,280.42
  5. Step 5: Solve for x
    x = 26,249,280.42/5,217.12
  6. Step 6: Final answer
    x = 5,031.37

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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.