Home / 4,914.98-6,784.99-3,147.61

Finding the Fourth Proportional to 4,914.98, 6,784.99 and 3,147.61

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Solution

The fourth proportional to 4,914.98, 6,784.99 and 3,147.61 is: 4,345.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,914.98 : 6,784.99 = 3,147.61 : x
  2. Step 2: Convert to fraction form
    4,914.98/6,784.99 = 3,147.61/x
  3. Step 3: Cross multiply
    4,914.98x = 6,784.99 × 3,147.61
  4. Step 4: Simplify right side
    4,914.98x = 21,356,502.37
  5. Step 5: Solve for x
    x = 21,356,502.37/4,914.98
  6. Step 6: Final answer
    x = 4,345.19

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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.