Home / 5,390.70-8,086.06-2,425.69

Finding the Fourth Proportional to 5,390.70, 8,086.06 and 2,425.69

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Solution

The fourth proportional to 5,390.70, 8,086.06 and 2,425.69 is: 3,638.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390.70 : 8,086.06 = 2,425.69 : x
  2. Step 2: Convert to fraction form
    5,390.70/8,086.06 = 2,425.69/x
  3. Step 3: Cross multiply
    5,390.70x = 8,086.06 × 2,425.69
  4. Step 4: Simplify right side
    5,390.70x = 19,614,222.32
  5. Step 5: Solve for x
    x = 19,614,222.32/5,390.70
  6. Step 6: Final answer
    x = 3,638.53

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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.