Home / 9,116.99-12,579.66-5,577.69

Finding the Fourth Proportional to 9,116.99, 12,579.66 and 5,577.69

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Solution

The fourth proportional to 9,116.99, 12,579.66 and 5,577.69 is: 7,696.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,116.99 : 12,579.66 = 5,577.69 : x
  2. Step 2: Convert to fraction form
    9,116.99/12,579.66 = 5,577.69/x
  3. Step 3: Cross multiply
    9,116.99x = 12,579.66 × 5,577.69
  4. Step 4: Simplify right side
    9,116.99x = 70,165,443.79
  5. Step 5: Solve for x
    x = 70,165,443.79/9,116.99
  6. Step 6: Final answer
    x = 7,696.12

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Half scale
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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.