Home / 4,125.20-6,187.89-1,528.13

Finding the Fourth Proportional to 4,125.20, 6,187.89 and 1,528.13

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Solution

The fourth proportional to 4,125.20, 6,187.89 and 1,528.13 is: 2,292.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,125.20 : 6,187.89 = 1,528.13 : x
  2. Step 2: Convert to fraction form
    4,125.20/6,187.89 = 1,528.13/x
  3. Step 3: Cross multiply
    4,125.20x = 6,187.89 × 1,528.13
  4. Step 4: Simplify right side
    4,125.20x = 9,455,869.41
  5. Step 5: Solve for x
    x = 9,455,869.41/4,125.20
  6. Step 6: Final answer
    x = 2,292.22

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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.