Home / 5,421.38-7,476.82-3,532.25

Finding the Fourth Proportional to 5,421.38, 7,476.82 and 3,532.25

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Solution

The fourth proportional to 5,421.38, 7,476.82 and 3,532.25 is: 4,871.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,421.38 : 7,476.82 = 3,532.25 : x
  2. Step 2: Convert to fraction form
    5,421.38/7,476.82 = 3,532.25/x
  3. Step 3: Cross multiply
    5,421.38x = 7,476.82 × 3,532.25
  4. Step 4: Simplify right side
    5,421.38x = 26,409,997.45
  5. Step 5: Solve for x
    x = 26,409,997.45/5,421.38
  6. Step 6: Final answer
    x = 4,871.45

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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.