Home / 4,989.70-7,489.16-2,526.25

Finding the Fourth Proportional to 4,989.70, 7,489.16 and 2,526.25

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Solution

The fourth proportional to 4,989.70, 7,489.16 and 2,526.25 is: 3,791.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,989.70 : 7,489.16 = 2,526.25 : x
  2. Step 2: Convert to fraction form
    4,989.70/7,489.16 = 2,526.25/x
  3. Step 3: Cross multiply
    4,989.70x = 7,489.16 × 2,526.25
  4. Step 4: Simplify right side
    4,989.70x = 18,919,461.55
  5. Step 5: Solve for x
    x = 18,919,461.55/4,989.70
  6. Step 6: Final answer
    x = 3,791.70

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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.