Home / 8,961.78-13,444.77-3,038.58

Finding the Fourth Proportional to 8,961.78, 13,444.77 and 3,038.58

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Solution

The fourth proportional to 8,961.78, 13,444.77 and 3,038.58 is: 4,558.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,961.78 : 13,444.77 = 3,038.58 : x
  2. Step 2: Convert to fraction form
    8,961.78/13,444.77 = 3,038.58/x
  3. Step 3: Cross multiply
    8,961.78x = 13,444.77 × 3,038.58
  4. Step 4: Simplify right side
    8,961.78x = 40,853,009.23
  5. Step 5: Solve for x
    x = 40,853,009.23/8,961.78
  6. Step 6: Final answer
    x = 4,558.58

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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.