Home / 4,376.22-6,555.21-2,178.28

Finding the Fourth Proportional to 4,376.22, 6,555.21 and 2,178.28

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Solution

The fourth proportional to 4,376.22, 6,555.21 and 2,178.28 is: 3,262.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,376.22 : 6,555.21 = 2,178.28 : x
  2. Step 2: Convert to fraction form
    4,376.22/6,555.21 = 2,178.28/x
  3. Step 3: Cross multiply
    4,376.22x = 6,555.21 × 2,178.28
  4. Step 4: Simplify right side
    4,376.22x = 14,279,082.84
  5. Step 5: Solve for x
    x = 14,279,082.84/4,376.22
  6. Step 6: Final answer
    x = 3,262.88

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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.