Home / 4,015.40-5,535.36-3,020.72

Finding the Fourth Proportional to 4,015.40, 5,535.36 and 3,020.72

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Solution

The fourth proportional to 4,015.40, 5,535.36 and 3,020.72 is: 4,164.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,015.40 : 5,535.36 = 3,020.72 : x
  2. Step 2: Convert to fraction form
    4,015.40/5,535.36 = 3,020.72/x
  3. Step 3: Cross multiply
    4,015.40x = 5,535.36 × 3,020.72
  4. Step 4: Simplify right side
    4,015.40x = 16,720,772.66
  5. Step 5: Solve for x
    x = 16,720,772.66/4,015.40
  6. Step 6: Final answer
    x = 4,164.16

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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.