Home / 4,297.40-5,921.16-3,116.36

Finding the Fourth Proportional to 4,297.40, 5,921.16 and 3,116.36

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Solution

The fourth proportional to 4,297.40, 5,921.16 and 3,116.36 is: 4,293.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,297.40 : 5,921.16 = 3,116.36 : x
  2. Step 2: Convert to fraction form
    4,297.40/5,921.16 = 3,116.36/x
  3. Step 3: Cross multiply
    4,297.40x = 5,921.16 × 3,116.36
  4. Step 4: Simplify right side
    4,297.40x = 18,452,466.18
  5. Step 5: Solve for x
    x = 18,452,466.18/4,297.40
  6. Step 6: Final answer
    x = 4,293.87

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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.