Home / 4,989.90-7,489.47-2,526.47

Finding the Fourth Proportional to 4,989.90, 7,489.47 and 2,526.47

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Solution

The fourth proportional to 4,989.90, 7,489.47 and 2,526.47 is: 3,792.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,989.90 : 7,489.47 = 2,526.47 : x
  2. Step 2: Convert to fraction form
    4,989.90/7,489.47 = 2,526.47/x
  3. Step 3: Cross multiply
    4,989.90x = 7,489.47 × 2,526.47
  4. Step 4: Simplify right side
    4,989.90x = 18,921,883.82
  5. Step 5: Solve for x
    x = 18,921,883.82/4,989.90
  6. Step 6: Final answer
    x = 3,792.04

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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.