Home / 5,391.25-8,088.89-2,428.81

Finding the Fourth Proportional to 5,391.25, 8,088.89 and 2,428.81

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Solution

The fourth proportional to 5,391.25, 8,088.89 and 2,428.81 is: 3,644.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,391.25 : 8,088.89 = 2,428.81 : x
  2. Step 2: Convert to fraction form
    5,391.25/8,088.89 = 2,428.81/x
  3. Step 3: Cross multiply
    5,391.25x = 8,088.89 × 2,428.81
  4. Step 4: Simplify right side
    5,391.25x = 19,646,334.89
  5. Step 5: Solve for x
    x = 19,646,334.89/5,391.25
  6. Step 6: Final answer
    x = 3,644.11

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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.