Home / 4,917.20-6,784.94-2,927.70

Finding the Fourth Proportional to 4,917.20, 6,784.94 and 2,927.70

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Solution

The fourth proportional to 4,917.20, 6,784.94 and 2,927.70 is: 4,039.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,917.20 : 6,784.94 = 2,927.70 : x
  2. Step 2: Convert to fraction form
    4,917.20/6,784.94 = 2,927.70/x
  3. Step 3: Cross multiply
    4,917.20x = 6,784.94 × 2,927.70
  4. Step 4: Simplify right side
    4,917.20x = 19,864,254.20
  5. Step 5: Solve for x
    x = 19,864,254.20/4,917.20
  6. Step 6: Final answer
    x = 4,039.75

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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.