Home / 4,900.03-7,348.97-1,389.96

Finding the Fourth Proportional to 4,900.03, 7,348.97 and 1,389.96

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Solution

The fourth proportional to 4,900.03, 7,348.97 and 1,389.96 is: 2,084.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,900.03 : 7,348.97 = 1,389.96 : x
  2. Step 2: Convert to fraction form
    4,900.03/7,348.97 = 1,389.96/x
  3. Step 3: Cross multiply
    4,900.03x = 7,348.97 × 1,389.96
  4. Step 4: Simplify right side
    4,900.03x = 10,214,777.82
  5. Step 5: Solve for x
    x = 10,214,777.82/4,900.03
  6. Step 6: Final answer
    x = 2,084.64

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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.