Home / 5,140.50-7,711.83-2,062.50

Finding the Fourth Proportional to 5,140.50, 7,711.83 and 2,062.50

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Solution

The fourth proportional to 5,140.50, 7,711.83 and 2,062.50 is: 3,094.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,140.50 : 7,711.83 = 2,062.50 : x
  2. Step 2: Convert to fraction form
    5,140.50/7,711.83 = 2,062.50/x
  3. Step 3: Cross multiply
    5,140.50x = 7,711.83 × 2,062.50
  4. Step 4: Simplify right side
    5,140.50x = 15,905,649.38
  5. Step 5: Solve for x
    x = 15,905,649.38/5,140.50
  6. Step 6: Final answer
    x = 3,094.18

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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.