Home / 6,142.64-8,476.85-3,490.05

Finding the Fourth Proportional to 6,142.64, 8,476.85 and 3,490.05

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Solution

The fourth proportional to 6,142.64, 8,476.85 and 3,490.05 is: 4,816.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,142.64 : 8,476.85 = 3,490.05 : x
  2. Step 2: Convert to fraction form
    6,142.64/8,476.85 = 3,490.05/x
  3. Step 3: Cross multiply
    6,142.64x = 8,476.85 × 3,490.05
  4. Step 4: Simplify right side
    6,142.64x = 29,584,612.89
  5. Step 5: Solve for x
    x = 29,584,612.89/6,142.64
  6. Step 6: Final answer
    x = 4,816.27

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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.