Home / 4,886.44-7,328.84-1,422.88

Finding the Fourth Proportional to 4,886.44, 7,328.84 and 1,422.88

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Solution

The fourth proportional to 4,886.44, 7,328.84 and 1,422.88 is: 2,134.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,886.44 : 7,328.84 = 1,422.88 : x
  2. Step 2: Convert to fraction form
    4,886.44/7,328.84 = 1,422.88/x
  3. Step 3: Cross multiply
    4,886.44x = 7,328.84 × 1,422.88
  4. Step 4: Simplify right side
    4,886.44x = 10,428,059.86
  5. Step 5: Solve for x
    x = 10,428,059.86/4,886.44
  6. Step 6: Final answer
    x = 2,134.08

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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.