Home / 7,538.45-10,403.32-4,553.69

Finding the Fourth Proportional to 7,538.45, 10,403.32 and 4,553.69

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Solution

The fourth proportional to 7,538.45, 10,403.32 and 4,553.69 is: 6,284.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,538.45 : 10,403.32 = 4,553.69 : x
  2. Step 2: Convert to fraction form
    7,538.45/10,403.32 = 4,553.69/x
  3. Step 3: Cross multiply
    7,538.45x = 10,403.32 × 4,553.69
  4. Step 4: Simplify right side
    7,538.45x = 47,373,494.25
  5. Step 5: Solve for x
    x = 47,373,494.25/7,538.45
  6. Step 6: Final answer
    x = 6,284.25

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Half scale
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Double scale
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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.