Home / 5,258.05-7,886.88-2,137.99

Finding the Fourth Proportional to 5,258.05, 7,886.88 and 2,137.99

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Solution

The fourth proportional to 5,258.05, 7,886.88 and 2,137.99 is: 3,206.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,258.05 : 7,886.88 = 2,137.99 : x
  2. Step 2: Convert to fraction form
    5,258.05/7,886.88 = 2,137.99/x
  3. Step 3: Cross multiply
    5,258.05x = 7,886.88 × 2,137.99
  4. Step 4: Simplify right side
    5,258.05x = 16,862,070.57
  5. Step 5: Solve for x
    x = 16,862,070.57/5,258.05
  6. Step 6: Final answer
    x = 3,206.91

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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.