Home / 5,459.03-8,188.55-1,355.03

Finding the Fourth Proportional to 5,459.03, 8,188.55 and 1,355.03

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Solution

The fourth proportional to 5,459.03, 8,188.55 and 1,355.03 is: 2,032.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,459.03 : 8,188.55 = 1,355.03 : x
  2. Step 2: Convert to fraction form
    5,459.03/8,188.55 = 1,355.03/x
  3. Step 3: Cross multiply
    5,459.03x = 8,188.55 × 1,355.03
  4. Step 4: Simplify right side
    5,459.03x = 11,095,747.99
  5. Step 5: Solve for x
    x = 11,095,747.99/5,459.03
  6. Step 6: Final answer
    x = 2,032.55

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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.