Home / 7,220.66-10,830.91-2,290.17

Finding the Fourth Proportional to 7,220.66, 10,830.91 and 2,290.17

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Solution

The fourth proportional to 7,220.66, 10,830.91 and 2,290.17 is: 3,435.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,220.66 : 10,830.91 = 2,290.17 : x
  2. Step 2: Convert to fraction form
    7,220.66/10,830.91 = 2,290.17/x
  3. Step 3: Cross multiply
    7,220.66x = 10,830.91 × 2,290.17
  4. Step 4: Simplify right side
    7,220.66x = 24,804,625.15
  5. Step 5: Solve for x
    x = 24,804,625.15/7,220.66
  6. Step 6: Final answer
    x = 3,435.23

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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.