Home / 6,601.19-9,901.78-1,670.83

Finding the Fourth Proportional to 6,601.19, 9,901.78 and 1,670.83

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Solution

The fourth proportional to 6,601.19, 9,901.78 and 1,670.83 is: 2,506.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,601.19 : 9,901.78 = 1,670.83 : x
  2. Step 2: Convert to fraction form
    6,601.19/9,901.78 = 1,670.83/x
  3. Step 3: Cross multiply
    6,601.19x = 9,901.78 × 1,670.83
  4. Step 4: Simplify right side
    6,601.19x = 16,544,162.15
  5. Step 5: Solve for x
    x = 16,544,162.15/6,601.19
  6. Step 6: Final answer
    x = 2,506.24

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Double scale
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Similar ratio
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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.