Home / 7,557.36-11,331.18-3,659.64

Finding the Fourth Proportional to 7,557.36, 11,331.18 and 3,659.64

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Solution

The fourth proportional to 7,557.36, 11,331.18 and 3,659.64 is: 5,487.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,557.36 : 11,331.18 = 3,659.64 : x
  2. Step 2: Convert to fraction form
    7,557.36/11,331.18 = 3,659.64/x
  3. Step 3: Cross multiply
    7,557.36x = 11,331.18 × 3,659.64
  4. Step 4: Simplify right side
    7,557.36x = 41,468,039.58
  5. Step 5: Solve for x
    x = 41,468,039.58/7,557.36
  6. Step 6: Final answer
    x = 5,487.11

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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.