Home / 5,254.21-7,881.29-1,556.46

Finding the Fourth Proportional to 5,254.21, 7,881.29 and 1,556.46

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Solution

The fourth proportional to 5,254.21, 7,881.29 and 1,556.46 is: 2,334.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,254.21 : 7,881.29 = 1,556.46 : x
  2. Step 2: Convert to fraction form
    5,254.21/7,881.29 = 1,556.46/x
  3. Step 3: Cross multiply
    5,254.21x = 7,881.29 × 1,556.46
  4. Step 4: Simplify right side
    5,254.21x = 12,266,904.85
  5. Step 5: Solve for x
    x = 12,266,904.85/5,254.21
  6. Step 6: Final answer
    x = 2,334.68

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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.