Home / 8,261.21-11,404.67-5,432.69

Finding the Fourth Proportional to 8,261.21, 11,404.67 and 5,432.69

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Solution

The fourth proportional to 8,261.21, 11,404.67 and 5,432.69 is: 7,499.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,261.21 : 11,404.67 = 5,432.69 : x
  2. Step 2: Convert to fraction form
    8,261.21/11,404.67 = 5,432.69/x
  3. Step 3: Cross multiply
    8,261.21x = 11,404.67 × 5,432.69
  4. Step 4: Simplify right side
    8,261.21x = 61,958,038.01
  5. Step 5: Solve for x
    x = 61,958,038.01/8,261.21
  6. Step 6: Final answer
    x = 7,499.87

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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.