Home / 9,141.50-12,615.36-4,949.84

Finding the Fourth Proportional to 9,141.50, 12,615.36 and 4,949.84

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Solution

The fourth proportional to 9,141.50, 12,615.36 and 4,949.84 is: 6,830.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,141.50 : 12,615.36 = 4,949.84 : x
  2. Step 2: Convert to fraction form
    9,141.50/12,615.36 = 4,949.84/x
  3. Step 3: Cross multiply
    9,141.50x = 12,615.36 × 4,949.84
  4. Step 4: Simplify right side
    9,141.50x = 62,444,013.54
  5. Step 5: Solve for x
    x = 62,444,013.54/9,141.50
  6. Step 6: Final answer
    x = 6,830.83

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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.