Home / 4,215.94-6,322.56-1,994.47

Finding the Fourth Proportional to 4,215.94, 6,322.56 and 1,994.47

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Solution

The fourth proportional to 4,215.94, 6,322.56 and 1,994.47 is: 2,991.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,215.94 : 6,322.56 = 1,994.47 : x
  2. Step 2: Convert to fraction form
    4,215.94/6,322.56 = 1,994.47/x
  3. Step 3: Cross multiply
    4,215.94x = 6,322.56 × 1,994.47
  4. Step 4: Simplify right side
    4,215.94x = 12,610,156.24
  5. Step 5: Solve for x
    x = 12,610,156.24/4,215.94
  6. Step 6: Final answer
    x = 2,991.07

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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.