Home / 5,459.25-8,188.88-1,355.25

Finding the Fourth Proportional to 5,459.25, 8,188.88 and 1,355.25

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Solution

The fourth proportional to 5,459.25, 8,188.88 and 1,355.25 is: 2,032.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,459.25 : 8,188.88 = 1,355.25 : x
  2. Step 2: Convert to fraction form
    5,459.25/8,188.88 = 1,355.25/x
  3. Step 3: Cross multiply
    5,459.25x = 8,188.88 × 1,355.25
  4. Step 4: Simplify right side
    5,459.25x = 11,097,972.84
  5. Step 5: Solve for x
    x = 11,097,972.84/5,459.25
  6. Step 6: Final answer
    x = 2,032.88

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1.5x scale

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.