Home / 5,256.76-7,885.29-1,361.18

Finding the Fourth Proportional to 5,256.76, 7,885.29 and 1,361.18

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Solution

The fourth proportional to 5,256.76, 7,885.29 and 1,361.18 is: 2,041.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,256.76 : 7,885.29 = 1,361.18 : x
  2. Step 2: Convert to fraction form
    5,256.76/7,885.29 = 1,361.18/x
  3. Step 3: Cross multiply
    5,256.76x = 7,885.29 × 1,361.18
  4. Step 4: Simplify right side
    5,256.76x = 10,733,259.62
  5. Step 5: Solve for x
    x = 10,733,259.62/5,256.76
  6. Step 6: Final answer
    x = 2,041.80

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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.