Home / 5,709.77-8,548.25-4,218.97

Finding the Fourth Proportional to 5,709.77, 8,548.25 and 4,218.97

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Solution

The fourth proportional to 5,709.77, 8,548.25 and 4,218.97 is: 6,316.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,709.77 : 8,548.25 = 4,218.97 : x
  2. Step 2: Convert to fraction form
    5,709.77/8,548.25 = 4,218.97/x
  3. Step 3: Cross multiply
    5,709.77x = 8,548.25 × 4,218.97
  4. Step 4: Simplify right side
    5,709.77x = 36,064,799.48
  5. Step 5: Solve for x
    x = 36,064,799.48/5,709.77
  6. Step 6: Final answer
    x = 6,316.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.