Home / 4,139.28-6,208.80-1,019.27

Finding the Fourth Proportional to 4,139.28, 6,208.80 and 1,019.27

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Solution

The fourth proportional to 4,139.28, 6,208.80 and 1,019.27 is: 1,528.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,139.28 : 6,208.80 = 1,019.27 : x
  2. Step 2: Convert to fraction form
    4,139.28/6,208.80 = 1,019.27/x
  3. Step 3: Cross multiply
    4,139.28x = 6,208.80 × 1,019.27
  4. Step 4: Simplify right side
    4,139.28x = 6,328,412.53
  5. Step 5: Solve for x
    x = 6,328,412.53/4,139.28
  6. Step 6: Final answer
    x = 1,528.87

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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.