Home / 5,021.31-7,525.98-3,784.64

Finding the Fourth Proportional to 5,021.31, 7,525.98 and 3,784.64

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Solution

The fourth proportional to 5,021.31, 7,525.98 and 3,784.64 is: 5,672.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,021.31 : 7,525.98 = 3,784.64 : x
  2. Step 2: Convert to fraction form
    5,021.31/7,525.98 = 3,784.64/x
  3. Step 3: Cross multiply
    5,021.31x = 7,525.98 × 3,784.64
  4. Step 4: Simplify right side
    5,021.31x = 28,483,124.95
  5. Step 5: Solve for x
    x = 28,483,124.95/5,021.31
  6. Step 6: Final answer
    x = 5,672.45

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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.