Home / 5,289.36-7,292.43-3,397.56

Finding the Fourth Proportional to 5,289.36, 7,292.43 and 3,397.56

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Solution

The fourth proportional to 5,289.36, 7,292.43 and 3,397.56 is: 4,684.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,289.36 : 7,292.43 = 3,397.56 : x
  2. Step 2: Convert to fraction form
    5,289.36/7,292.43 = 3,397.56/x
  3. Step 3: Cross multiply
    5,289.36x = 7,292.43 × 3,397.56
  4. Step 4: Simplify right side
    5,289.36x = 24,776,468.47
  5. Step 5: Solve for x
    x = 24,776,468.47/5,289.36
  6. Step 6: Final answer
    x = 4,684.21

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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.