Home / 6,143.06-8,477.15-3,490.62

Finding the Fourth Proportional to 6,143.06, 8,477.15 and 3,490.62

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Solution

The fourth proportional to 6,143.06, 8,477.15 and 3,490.62 is: 4,816.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,143.06 : 8,477.15 = 3,490.62 : x
  2. Step 2: Convert to fraction form
    6,143.06/8,477.15 = 3,490.62/x
  3. Step 3: Cross multiply
    6,143.06x = 8,477.15 × 3,490.62
  4. Step 4: Simplify right side
    6,143.06x = 29,590,509.33
  5. Step 5: Solve for x
    x = 29,590,509.33/6,143.06
  6. Step 6: Final answer
    x = 4,816.90

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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.