Home / 5,320.74-7,342.93-3,196.92

Finding the Fourth Proportional to 5,320.74, 7,342.93 and 3,196.92

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Solution

The fourth proportional to 5,320.74, 7,342.93 and 3,196.92 is: 4,411.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,320.74 : 7,342.93 = 3,196.92 : x
  2. Step 2: Convert to fraction form
    5,320.74/7,342.93 = 3,196.92/x
  3. Step 3: Cross multiply
    5,320.74x = 7,342.93 × 3,196.92
  4. Step 4: Simplify right side
    5,320.74x = 23,474,759.78
  5. Step 5: Solve for x
    x = 23,474,759.78/5,320.74
  6. Step 6: Final answer
    x = 4,411.94

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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.