Home / 9,028.20-12,455.16-5,669.96

Finding the Fourth Proportional to 9,028.20, 12,455.16 and 5,669.96

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Solution

The fourth proportional to 9,028.20, 12,455.16 and 5,669.96 is: 7,822.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,028.20 : 12,455.16 = 5,669.96 : x
  2. Step 2: Convert to fraction form
    9,028.20/12,455.16 = 5,669.96/x
  3. Step 3: Cross multiply
    9,028.20x = 12,455.16 × 5,669.96
  4. Step 4: Simplify right side
    9,028.20x = 70,620,258.99
  5. Step 5: Solve for x
    x = 70,620,258.99/9,028.20
  6. Step 6: Final answer
    x = 7,822.19

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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.