Home / 4,997.40-7,491.30-3,886.20

Finding the Fourth Proportional to 4,997.40, 7,491.30 and 3,886.20

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Solution

The fourth proportional to 4,997.40, 7,491.30 and 3,886.20 is: 5,825.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,997.40 : 7,491.30 = 3,886.20 : x
  2. Step 2: Convert to fraction form
    4,997.40/7,491.30 = 3,886.20/x
  3. Step 3: Cross multiply
    4,997.40x = 7,491.30 × 3,886.20
  4. Step 4: Simplify right side
    4,997.40x = 29,112,690.06
  5. Step 5: Solve for x
    x = 29,112,690.06/4,997.40
  6. Step 6: Final answer
    x = 5,825.57

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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.