Home / 7,689.85-11,533.86-2,495.72

Finding the Fourth Proportional to 7,689.85, 11,533.86 and 2,495.72

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Solution

The fourth proportional to 7,689.85, 11,533.86 and 2,495.72 is: 3,743.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,689.85 : 11,533.86 = 2,495.72 : x
  2. Step 2: Convert to fraction form
    7,689.85/11,533.86 = 2,495.72/x
  3. Step 3: Cross multiply
    7,689.85x = 11,533.86 × 2,495.72
  4. Step 4: Simplify right side
    7,689.85x = 28,785,313.91
  5. Step 5: Solve for x
    x = 28,785,313.91/7,689.85
  6. Step 6: Final answer
    x = 3,743.29

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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.