Home / 4,111.68-6,170.72-1,515.36

Finding the Fourth Proportional to 4,111.68, 6,170.72 and 1,515.36

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Solution

The fourth proportional to 4,111.68, 6,170.72 and 1,515.36 is: 2,274.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,111.68 : 6,170.72 = 1,515.36 : x
  2. Step 2: Convert to fraction form
    4,111.68/6,170.72 = 1,515.36/x
  3. Step 3: Cross multiply
    4,111.68x = 6,170.72 × 1,515.36
  4. Step 4: Simplify right side
    4,111.68x = 9,350,862.26
  5. Step 5: Solve for x
    x = 9,350,862.26/4,111.68
  6. Step 6: Final answer
    x = 2,274.22

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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.