Home / 9,135.22-13,704.87-2,895.58

Finding the Fourth Proportional to 9,135.22, 13,704.87 and 2,895.58

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Solution

The fourth proportional to 9,135.22, 13,704.87 and 2,895.58 is: 4,344.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,135.22 : 13,704.87 = 2,895.58 : x
  2. Step 2: Convert to fraction form
    9,135.22/13,704.87 = 2,895.58/x
  3. Step 3: Cross multiply
    9,135.22x = 13,704.87 × 2,895.58
  4. Step 4: Simplify right side
    9,135.22x = 39,683,547.47
  5. Step 5: Solve for x
    x = 39,683,547.47/9,135.22
  6. Step 6: Final answer
    x = 4,344.02

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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.