Home / 4,917.47-7,377.65-1,994.99

Finding the Fourth Proportional to 4,917.47, 7,377.65 and 1,994.99

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Solution

The fourth proportional to 4,917.47, 7,377.65 and 1,994.99 is: 2,993.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,917.47 : 7,377.65 = 1,994.99 : x
  2. Step 2: Convert to fraction form
    4,917.47/7,377.65 = 1,994.99/x
  3. Step 3: Cross multiply
    4,917.47x = 7,377.65 × 1,994.99
  4. Step 4: Simplify right side
    4,917.47x = 14,718,337.97
  5. Step 5: Solve for x
    x = 14,718,337.97/4,917.47
  6. Step 6: Final answer
    x = 2,993.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.