Home / 4,401.39-6,603.98-2,921.13

Finding the Fourth Proportional to 4,401.39, 6,603.98 and 2,921.13

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Solution

The fourth proportional to 4,401.39, 6,603.98 and 2,921.13 is: 4,382.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,401.39 : 6,603.98 = 2,921.13 : x
  2. Step 2: Convert to fraction form
    4,401.39/6,603.98 = 2,921.13/x
  3. Step 3: Cross multiply
    4,401.39x = 6,603.98 × 2,921.13
  4. Step 4: Simplify right side
    4,401.39x = 19,291,069.49
  5. Step 5: Solve for x
    x = 19,291,069.49/4,401.39
  6. Step 6: Final answer
    x = 4,382.95

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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.