Home / 6,143.32-8,477.48-3,490.38

Finding the Fourth Proportional to 6,143.32, 8,477.48 and 3,490.38

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Solution

The fourth proportional to 6,143.32, 8,477.48 and 3,490.38 is: 4,816.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,143.32 : 8,477.48 = 3,490.38 : x
  2. Step 2: Convert to fraction form
    6,143.32/8,477.48 = 3,490.38/x
  3. Step 3: Cross multiply
    6,143.32x = 8,477.48 × 3,490.38
  4. Step 4: Simplify right side
    6,143.32x = 29,589,626.64
  5. Step 5: Solve for x
    x = 29,589,626.64/6,143.32
  6. Step 6: Final answer
    x = 4,816.55

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Half scale
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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.