Home / 4,816.30-6,647.61-3,134.79

Finding the Fourth Proportional to 4,816.30, 6,647.61 and 3,134.79

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Solution

The fourth proportional to 4,816.30, 6,647.61 and 3,134.79 is: 4,326.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,816.30 : 6,647.61 = 3,134.79 : x
  2. Step 2: Convert to fraction form
    4,816.30/6,647.61 = 3,134.79/x
  3. Step 3: Cross multiply
    4,816.30x = 6,647.61 × 3,134.79
  4. Step 4: Simplify right side
    4,816.30x = 20,838,861.35
  5. Step 5: Solve for x
    x = 20,838,861.35/4,816.30
  6. Step 6: Final answer
    x = 4,326.74

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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.