Home / 4,885.57-7,330.20-2,939.14

Finding the Fourth Proportional to 4,885.57, 7,330.20 and 2,939.14

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Solution

The fourth proportional to 4,885.57, 7,330.20 and 2,939.14 is: 4,409.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,885.57 : 7,330.20 = 2,939.14 : x
  2. Step 2: Convert to fraction form
    4,885.57/7,330.20 = 2,939.14/x
  3. Step 3: Cross multiply
    4,885.57x = 7,330.20 × 2,939.14
  4. Step 4: Simplify right side
    4,885.57x = 21,544,484.03
  5. Step 5: Solve for x
    x = 21,544,484.03/4,885.57
  6. Step 6: Final answer
    x = 4,409.82

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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.