Home / 5,258.68-7,256.18-2,989.80

Finding the Fourth Proportional to 5,258.68, 7,256.18 and 2,989.80

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Solution

The fourth proportional to 5,258.68, 7,256.18 and 2,989.80 is: 4,125.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,258.68 : 7,256.18 = 2,989.80 : x
  2. Step 2: Convert to fraction form
    5,258.68/7,256.18 = 2,989.80/x
  3. Step 3: Cross multiply
    5,258.68x = 7,256.18 × 2,989.80
  4. Step 4: Simplify right side
    5,258.68x = 21,694,526.96
  5. Step 5: Solve for x
    x = 21,694,526.96/5,258.68
  6. Step 6: Final answer
    x = 4,125.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.