Home / 9,135.45-13,702.77-2,561.22

Finding the Fourth Proportional to 9,135.45, 13,702.77 and 2,561.22

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Solution

The fourth proportional to 9,135.45, 13,702.77 and 2,561.22 is: 3,841.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,135.45 : 13,702.77 = 2,561.22 : x
  2. Step 2: Convert to fraction form
    9,135.45/13,702.77 = 2,561.22/x
  3. Step 3: Cross multiply
    9,135.45x = 13,702.77 × 2,561.22
  4. Step 4: Simplify right side
    9,135.45x = 35,095,808.58
  5. Step 5: Solve for x
    x = 35,095,808.58/9,135.45
  6. Step 6: Final answer
    x = 3,841.72

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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.