Home / 8,025.80-11,075.63-4,488.78

Finding the Fourth Proportional to 8,025.80, 11,075.63 and 4,488.78

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Solution

The fourth proportional to 8,025.80, 11,075.63 and 4,488.78 is: 6,194.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,025.80 : 11,075.63 = 4,488.78 : x
  2. Step 2: Convert to fraction form
    8,025.80/11,075.63 = 4,488.78/x
  3. Step 3: Cross multiply
    8,025.80x = 11,075.63 × 4,488.78
  4. Step 4: Simplify right side
    8,025.80x = 49,716,066.43
  5. Step 5: Solve for x
    x = 49,716,066.43/8,025.80
  6. Step 6: Final answer
    x = 6,194.53

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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.