Home / 5,110.71-7,052.58-3,124.59

Finding the Fourth Proportional to 5,110.71, 7,052.58 and 3,124.59

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Solution

The fourth proportional to 5,110.71, 7,052.58 and 3,124.59 is: 4,311.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,110.71 : 7,052.58 = 3,124.59 : x
  2. Step 2: Convert to fraction form
    5,110.71/7,052.58 = 3,124.59/x
  3. Step 3: Cross multiply
    5,110.71x = 7,052.58 × 3,124.59
  4. Step 4: Simplify right side
    5,110.71x = 22,036,420.94
  5. Step 5: Solve for x
    x = 22,036,420.94/5,110.71
  6. Step 6: Final answer
    x = 4,311.81

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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.