Home / 5,210.28-7,804.26-4,761.90

Finding the Fourth Proportional to 5,210.28, 7,804.26 and 4,761.90

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Solution

The fourth proportional to 5,210.28, 7,804.26 and 4,761.90 is: 7,132.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,210.28 : 7,804.26 = 4,761.90 : x
  2. Step 2: Convert to fraction form
    5,210.28/7,804.26 = 4,761.90/x
  3. Step 3: Cross multiply
    5,210.28x = 7,804.26 × 4,761.90
  4. Step 4: Simplify right side
    5,210.28x = 37,163,105.69
  5. Step 5: Solve for x
    x = 37,163,105.69/5,210.28
  6. Step 6: Final answer
    x = 7,132.65

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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.