Home / 5,100.36-7,649.28-1,402.41

Finding the Fourth Proportional to 5,100.36, 7,649.28 and 1,402.41

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Solution

The fourth proportional to 5,100.36, 7,649.28 and 1,402.41 is: 2,103.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,100.36 : 7,649.28 = 1,402.41 : x
  2. Step 2: Convert to fraction form
    5,100.36/7,649.28 = 1,402.41/x
  3. Step 3: Cross multiply
    5,100.36x = 7,649.28 × 1,402.41
  4. Step 4: Simplify right side
    5,100.36x = 10,727,426.76
  5. Step 5: Solve for x
    x = 10,727,426.76/5,100.36
  6. Step 6: Final answer
    x = 2,103.27

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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.