Home / 5,447.60-7,516.52-3,208.66

Finding the Fourth Proportional to 5,447.60, 7,516.52 and 3,208.66

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Solution

The fourth proportional to 5,447.60, 7,516.52 and 3,208.66 is: 4,427.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,447.60 : 7,516.52 = 3,208.66 : x
  2. Step 2: Convert to fraction form
    5,447.60/7,516.52 = 3,208.66/x
  3. Step 3: Cross multiply
    5,447.60x = 7,516.52 × 3,208.66
  4. Step 4: Simplify right side
    5,447.60x = 24,117,957.06
  5. Step 5: Solve for x
    x = 24,117,957.06/5,447.60
  6. Step 6: Final answer
    x = 4,427.26

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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.