Home / 7,083.06-10,625.88-2,920.80

Finding the Fourth Proportional to 7,083.06, 10,625.88 and 2,920.80

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Solution

The fourth proportional to 7,083.06, 10,625.88 and 2,920.80 is: 4,381.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,083.06 : 10,625.88 = 2,920.80 : x
  2. Step 2: Convert to fraction form
    7,083.06/10,625.88 = 2,920.80/x
  3. Step 3: Cross multiply
    7,083.06x = 10,625.88 × 2,920.80
  4. Step 4: Simplify right side
    7,083.06x = 31,036,070.30
  5. Step 5: Solve for x
    x = 31,036,070.30/7,083.06
  6. Step 6: Final answer
    x = 4,381.73

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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.