Home / 4,083.46-5,639.16-3,490.54

Finding the Fourth Proportional to 4,083.46, 5,639.16 and 3,490.54

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Solution

The fourth proportional to 4,083.46, 5,639.16 and 3,490.54 is: 4,820.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,083.46 : 5,639.16 = 3,490.54 : x
  2. Step 2: Convert to fraction form
    4,083.46/5,639.16 = 3,490.54/x
  3. Step 3: Cross multiply
    4,083.46x = 5,639.16 × 3,490.54
  4. Step 4: Simplify right side
    4,083.46x = 19,683,713.55
  5. Step 5: Solve for x
    x = 19,683,713.55/4,083.46
  6. Step 6: Final answer
    x = 4,820.35

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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.