Home / 9,138.09-12,610.58-4,946.34

Finding the Fourth Proportional to 9,138.09, 12,610.58 and 4,946.34

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Solution

The fourth proportional to 9,138.09, 12,610.58 and 4,946.34 is: 6,825.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,138.09 : 12,610.58 = 4,946.34 : x
  2. Step 2: Convert to fraction form
    9,138.09/12,610.58 = 4,946.34/x
  3. Step 3: Cross multiply
    9,138.09x = 12,610.58 × 4,946.34
  4. Step 4: Simplify right side
    9,138.09x = 62,376,238.84
  5. Step 5: Solve for x
    x = 62,376,238.84/9,138.09
  6. Step 6: Final answer
    x = 6,825.96

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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.