Home / 6,129.28-9,193.98-1,512.28

Finding the Fourth Proportional to 6,129.28, 9,193.98 and 1,512.28

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Solution

The fourth proportional to 6,129.28, 9,193.98 and 1,512.28 is: 2,268.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,129.28 : 9,193.98 = 1,512.28 : x
  2. Step 2: Convert to fraction form
    6,129.28/9,193.98 = 1,512.28/x
  3. Step 3: Cross multiply
    6,129.28x = 9,193.98 × 1,512.28
  4. Step 4: Simplify right side
    6,129.28x = 13,903,872.07
  5. Step 5: Solve for x
    x = 13,903,872.07/6,129.28
  6. Step 6: Final answer
    x = 2,268.43

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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.