Home / 8,075.40-11,144.22-4,490.66

Finding the Fourth Proportional to 8,075.40, 11,144.22 and 4,490.66

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Solution

The fourth proportional to 8,075.40, 11,144.22 and 4,490.66 is: 6,197.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,075.40 : 11,144.22 = 4,490.66 : x
  2. Step 2: Convert to fraction form
    8,075.40/11,144.22 = 4,490.66/x
  3. Step 3: Cross multiply
    8,075.40x = 11,144.22 × 4,490.66
  4. Step 4: Simplify right side
    8,075.40x = 50,044,902.99
  5. Step 5: Solve for x
    x = 50,044,902.99/8,075.40
  6. Step 6: Final answer
    x = 6,197.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.