Home / 8,149.77-11,246.44-4,612.90

Finding the Fourth Proportional to 8,149.77, 11,246.44 and 4,612.90

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Solution

The fourth proportional to 8,149.77, 11,246.44 and 4,612.90 is: 6,365.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,149.77 : 11,246.44 = 4,612.90 : x
  2. Step 2: Convert to fraction form
    8,149.77/11,246.44 = 4,612.90/x
  3. Step 3: Cross multiply
    8,149.77x = 11,246.44 × 4,612.90
  4. Step 4: Simplify right side
    8,149.77x = 51,878,703.08
  5. Step 5: Solve for x
    x = 51,878,703.08/8,149.77
  6. Step 6: Final answer
    x = 6,365.66

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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.