Home / 6,142.14-8,476.38-3,490.00

Finding the Fourth Proportional to 6,142.14, 8,476.38 and 3,490.00

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Solution

The fourth proportional to 6,142.14, 8,476.38 and 3,490.00 is: 4,816.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,142.14 : 8,476.38 = 3,490.00 : x
  2. Step 2: Convert to fraction form
    6,142.14/8,476.38 = 3,490.00/x
  3. Step 3: Cross multiply
    6,142.14x = 8,476.38 × 3,490.00
  4. Step 4: Simplify right side
    6,142.14x = 29,582,545.01
  5. Step 5: Solve for x
    x = 29,582,545.01/6,142.14
  6. Step 6: Final answer
    x = 4,816.33

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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.