Home / 5,430.39-7,494.75-3,441.14

Finding the Fourth Proportional to 5,430.39, 7,494.75 and 3,441.14

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Solution

The fourth proportional to 5,430.39, 7,494.75 and 3,441.14 is: 4,749.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,430.39 : 7,494.75 = 3,441.14 : x
  2. Step 2: Convert to fraction form
    5,430.39/7,494.75 = 3,441.14/x
  3. Step 3: Cross multiply
    5,430.39x = 7,494.75 × 3,441.14
  4. Step 4: Simplify right side
    5,430.39x = 25,790,484.02
  5. Step 5: Solve for x
    x = 25,790,484.02/5,430.39
  6. Step 6: Final answer
    x = 4,749.29

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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.