Home / 4,125.20-6,188.16-1,528.16

Finding the Fourth Proportional to 4,125.20, 6,188.16 and 1,528.16

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Solution

The fourth proportional to 4,125.20, 6,188.16 and 1,528.16 is: 2,292.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,125.20 : 6,188.16 = 1,528.16 : x
  2. Step 2: Convert to fraction form
    4,125.20/6,188.16 = 1,528.16/x
  3. Step 3: Cross multiply
    4,125.20x = 6,188.16 × 1,528.16
  4. Step 4: Simplify right side
    4,125.20x = 9,456,498.59
  5. Step 5: Solve for x
    x = 9,456,498.59/4,125.20
  6. Step 6: Final answer
    x = 2,292.37

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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.