Home / 5,113.50-7,056.82-3,124.94

Finding the Fourth Proportional to 5,113.50, 7,056.82 and 3,124.94

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Solution

The fourth proportional to 5,113.50, 7,056.82 and 3,124.94 is: 4,312.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,113.50 : 7,056.82 = 3,124.94 : x
  2. Step 2: Convert to fraction form
    5,113.50/7,056.82 = 3,124.94/x
  3. Step 3: Cross multiply
    5,113.50x = 7,056.82 × 3,124.94
  4. Step 4: Simplify right side
    5,113.50x = 22,052,139.09
  5. Step 5: Solve for x
    x = 22,052,139.09/5,113.50
  6. Step 6: Final answer
    x = 4,312.53

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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.