Home / 5,210.28-7,809.90-2,434.61

Finding the Fourth Proportional to 5,210.28, 7,809.90 and 2,434.61

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Solution

The fourth proportional to 5,210.28, 7,809.90 and 2,434.61 is: 3,649.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,210.28 : 7,809.90 = 2,434.61 : x
  2. Step 2: Convert to fraction form
    5,210.28/7,809.90 = 2,434.61/x
  3. Step 3: Cross multiply
    5,210.28x = 7,809.90 × 2,434.61
  4. Step 4: Simplify right side
    5,210.28x = 19,014,021.59
  5. Step 5: Solve for x
    x = 19,014,021.59/5,210.28
  6. Step 6: Final answer
    x = 3,649.33

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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.