Home / 5,454.64-7,527.48-3,186.34

Finding the Fourth Proportional to 5,454.64, 7,527.48 and 3,186.34

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Solution

The fourth proportional to 5,454.64, 7,527.48 and 3,186.34 is: 4,397.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,454.64 : 7,527.48 = 3,186.34 : x
  2. Step 2: Convert to fraction form
    5,454.64/7,527.48 = 3,186.34/x
  3. Step 3: Cross multiply
    5,454.64x = 7,527.48 × 3,186.34
  4. Step 4: Simplify right side
    5,454.64x = 23,985,110.62
  5. Step 5: Solve for x
    x = 23,985,110.62/5,454.64
  6. Step 6: Final answer
    x = 4,397.19

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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.