Home / 9,341-12,890.58-5,149.34

Finding the Fourth Proportional to 9,341, 12,890.58 and 5,149.34

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Solution

The fourth proportional to 9,341, 12,890.58 and 5,149.34 is: 7,106.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,341 : 12,890.58 = 5,149.34 : x
  2. Step 2: Convert to fraction form
    9,341/12,890.58 = 5,149.34/x
  3. Step 3: Cross multiply
    9,341x = 12,890.58 × 5,149.34
  4. Step 4: Simplify right side
    9,341x = 66,377,979.22
  5. Step 5: Solve for x
    x = 66,377,979.22/9,341
  6. Step 6: Final answer
    x = 7,106.09

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Half scale
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Double scale
Find fourth proportional to 9,342, 12,891.96 and 5,150.34
Similar ratio
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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.