Home / 5,355.72-8,032.60-1,459.21

Finding the Fourth Proportional to 5,355.72, 8,032.60 and 1,459.21

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Solution

The fourth proportional to 5,355.72, 8,032.60 and 1,459.21 is: 2,188.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,355.72 : 8,032.60 = 1,459.21 : x
  2. Step 2: Convert to fraction form
    5,355.72/8,032.60 = 1,459.21/x
  3. Step 3: Cross multiply
    5,355.72x = 8,032.60 × 1,459.21
  4. Step 4: Simplify right side
    5,355.72x = 11,721,250.25
  5. Step 5: Solve for x
    x = 11,721,250.25/5,355.72
  6. Step 6: Final answer
    x = 2,188.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.