Home / 4,917.16-6,784.86-3,148.39

Finding the Fourth Proportional to 4,917.16, 6,784.86 and 3,148.39

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Solution

The fourth proportional to 4,917.16, 6,784.86 and 3,148.39 is: 4,344.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,917.16 : 6,784.86 = 3,148.39 : x
  2. Step 2: Convert to fraction form
    4,917.16/6,784.86 = 3,148.39/x
  3. Step 3: Cross multiply
    4,917.16x = 6,784.86 × 3,148.39
  4. Step 4: Simplify right side
    4,917.16x = 21,361,385.38
  5. Step 5: Solve for x
    x = 21,361,385.38/4,917.16
  6. Step 6: Final answer
    x = 4,344.25

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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.