Home / 5,420.32-7,480.56-3,295.69

Finding the Fourth Proportional to 5,420.32, 7,480.56 and 3,295.69

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Solution

The fourth proportional to 5,420.32, 7,480.56 and 3,295.69 is: 4,548.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,420.32 : 7,480.56 = 3,295.69 : x
  2. Step 2: Convert to fraction form
    5,420.32/7,480.56 = 3,295.69/x
  3. Step 3: Cross multiply
    5,420.32x = 7,480.56 × 3,295.69
  4. Step 4: Simplify right side
    5,420.32x = 24,653,606.79
  5. Step 5: Solve for x
    x = 24,653,606.79/5,420.32
  6. Step 6: Final answer
    x = 4,548.37

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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.