Home / 6,109.56-9,166.95-1,949.91

Finding the Fourth Proportional to 6,109.56, 9,166.95 and 1,949.91

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Solution

The fourth proportional to 6,109.56, 9,166.95 and 1,949.91 is: 2,925.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,109.56 : 9,166.95 = 1,949.91 : x
  2. Step 2: Convert to fraction form
    6,109.56/9,166.95 = 1,949.91/x
  3. Step 3: Cross multiply
    6,109.56x = 9,166.95 × 1,949.91
  4. Step 4: Simplify right side
    6,109.56x = 17,874,727.47
  5. Step 5: Solve for x
    x = 17,874,727.47/6,109.56
  6. Step 6: Final answer
    x = 2,925.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.