Home / 4,401.79-6,603.26-1,439.20

Finding the Fourth Proportional to 4,401.79, 6,603.26 and 1,439.20

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Solution

The fourth proportional to 4,401.79, 6,603.26 and 1,439.20 is: 2,158.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,401.79 : 6,603.26 = 1,439.20 : x
  2. Step 2: Convert to fraction form
    4,401.79/6,603.26 = 1,439.20/x
  3. Step 3: Cross multiply
    4,401.79x = 6,603.26 × 1,439.20
  4. Step 4: Simplify right side
    4,401.79x = 9,503,375.71
  5. Step 5: Solve for x
    x = 9,503,375.71/4,401.79
  6. Step 6: Final answer
    x = 2,158.98

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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.