Home / 5,401.84-8,104.07-2,280.16

Finding the Fourth Proportional to 5,401.84, 8,104.07 and 2,280.16

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Solution

The fourth proportional to 5,401.84, 8,104.07 and 2,280.16 is: 3,420.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,401.84 : 8,104.07 = 2,280.16 : x
  2. Step 2: Convert to fraction form
    5,401.84/8,104.07 = 2,280.16/x
  3. Step 3: Cross multiply
    5,401.84x = 8,104.07 × 2,280.16
  4. Step 4: Simplify right side
    5,401.84x = 18,478,576.25
  5. Step 5: Solve for x
    x = 18,478,576.25/5,401.84
  6. Step 6: Final answer
    x = 3,420.79

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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.