Home / 8,913.31-13,369.35-3,074.02

Finding the Fourth Proportional to 8,913.31, 13,369.35 and 3,074.02

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Solution

The fourth proportional to 8,913.31, 13,369.35 and 3,074.02 is: 4,610.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,913.31 : 13,369.35 = 3,074.02 : x
  2. Step 2: Convert to fraction form
    8,913.31/13,369.35 = 3,074.02/x
  3. Step 3: Cross multiply
    8,913.31x = 13,369.35 × 3,074.02
  4. Step 4: Simplify right side
    8,913.31x = 41,097,649.29
  5. Step 5: Solve for x
    x = 41,097,649.29/8,913.31
  6. Step 6: Final answer
    x = 4,610.82

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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.