Home / 6,143.43-8,477.19-3,490.10

Finding the Fourth Proportional to 6,143.43, 8,477.19 and 3,490.10

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Solution

The fourth proportional to 6,143.43, 8,477.19 and 3,490.10 is: 4,815.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,143.43 : 8,477.19 = 3,490.10 : x
  2. Step 2: Convert to fraction form
    6,143.43/8,477.19 = 3,490.10/x
  3. Step 3: Cross multiply
    6,143.43x = 8,477.19 × 3,490.10
  4. Step 4: Simplify right side
    6,143.43x = 29,586,198.43
  5. Step 5: Solve for x
    x = 29,586,198.43/6,143.43
  6. Step 6: Final answer
    x = 4,815.91

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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.