Home / 5,425.86-8,179.45-5,064.19

Finding the Fourth Proportional to 5,425.86, 8,179.45 and 5,064.19

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Solution

The fourth proportional to 5,425.86, 8,179.45 and 5,064.19 is: 7,634.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,425.86 : 8,179.45 = 5,064.19 : x
  2. Step 2: Convert to fraction form
    5,425.86/8,179.45 = 5,064.19/x
  3. Step 3: Cross multiply
    5,425.86x = 8,179.45 × 5,064.19
  4. Step 4: Simplify right side
    5,425.86x = 41,422,316.18
  5. Step 5: Solve for x
    x = 41,422,316.18/5,425.86
  6. Step 6: Final answer
    x = 7,634.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.