Home / 4,885.38-7,329.30-1,422.63

Finding the Fourth Proportional to 4,885.38, 7,329.30 and 1,422.63

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Solution

The fourth proportional to 4,885.38, 7,329.30 and 1,422.63 is: 2,134.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,885.38 : 7,329.30 = 1,422.63 : x
  2. Step 2: Convert to fraction form
    4,885.38/7,329.30 = 1,422.63/x
  3. Step 3: Cross multiply
    4,885.38x = 7,329.30 × 1,422.63
  4. Step 4: Simplify right side
    4,885.38x = 10,426,882.06
  5. Step 5: Solve for x
    x = 10,426,882.06/4,885.38
  6. Step 6: Final answer
    x = 2,134.30

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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.