Home / 9,177.26-12,664.36-4,985.52

Finding the Fourth Proportional to 9,177.26, 12,664.36 and 4,985.52

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Solution

The fourth proportional to 9,177.26, 12,664.36 and 4,985.52 is: 6,879.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,177.26 : 12,664.36 = 4,985.52 : x
  2. Step 2: Convert to fraction form
    9,177.26/12,664.36 = 4,985.52/x
  3. Step 3: Cross multiply
    9,177.26x = 12,664.36 × 4,985.52
  4. Step 4: Simplify right side
    9,177.26x = 63,138,420.07
  5. Step 5: Solve for x
    x = 63,138,420.07/9,177.26
  6. Step 6: Final answer
    x = 6,879.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.