Home / 9,137.68-12,610-4,945.92

Finding the Fourth Proportional to 9,137.68, 12,610 and 4,945.92

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Solution

The fourth proportional to 9,137.68, 12,610 and 4,945.92 is: 6,825.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,137.68 : 12,610 = 4,945.92 : x
  2. Step 2: Convert to fraction form
    9,137.68/12,610 = 4,945.92/x
  3. Step 3: Cross multiply
    9,137.68x = 12,610 × 4,945.92
  4. Step 4: Simplify right side
    9,137.68x = 62,368,051.20
  5. Step 5: Solve for x
    x = 62,368,051.20/9,137.68
  6. Step 6: Final answer
    x = 6,825.37

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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.