Home / 9,138.14-12,610.62-4,946.38

Finding the Fourth Proportional to 9,138.14, 12,610.62 and 4,946.38

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Solution

The fourth proportional to 9,138.14, 12,610.62 and 4,946.38 is: 6,826.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,138.14 : 12,610.62 = 4,946.38 : x
  2. Step 2: Convert to fraction form
    9,138.14/12,610.62 = 4,946.38/x
  3. Step 3: Cross multiply
    9,138.14x = 12,610.62 × 4,946.38
  4. Step 4: Simplify right side
    9,138.14x = 62,376,918.56
  5. Step 5: Solve for x
    x = 62,376,918.56/9,138.14
  6. Step 6: Final answer
    x = 6,826.00

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1.5x scale

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.