Home / 7,368.39-11,037.78-3,659.40

Finding the Fourth Proportional to 7,368.39, 11,037.78 and 3,659.40

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Solution

The fourth proportional to 7,368.39, 11,037.78 and 3,659.40 is: 5,481.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,368.39 : 11,037.78 = 3,659.40 : x
  2. Step 2: Convert to fraction form
    7,368.39/11,037.78 = 3,659.40/x
  3. Step 3: Cross multiply
    7,368.39x = 11,037.78 × 3,659.40
  4. Step 4: Simplify right side
    7,368.39x = 40,391,652.13
  5. Step 5: Solve for x
    x = 40,391,652.13/7,368.39
  6. Step 6: Final answer
    x = 5,481.75

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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.