Home / 5,999.40-8,280.28-3,759.56

Finding the Fourth Proportional to 5,999.40, 8,280.28 and 3,759.56

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Solution

The fourth proportional to 5,999.40, 8,280.28 and 3,759.56 is: 5,188.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,999.40 : 8,280.28 = 3,759.56 : x
  2. Step 2: Convert to fraction form
    5,999.40/8,280.28 = 3,759.56/x
  3. Step 3: Cross multiply
    5,999.40x = 8,280.28 × 3,759.56
  4. Step 4: Simplify right side
    5,999.40x = 31,130,209.48
  5. Step 5: Solve for x
    x = 31,130,209.48/5,999.40
  6. Step 6: Final answer
    x = 5,188.89

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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.