Home / 8,025.40-11,075.63-4,489.75

Finding the Fourth Proportional to 8,025.40, 11,075.63 and 4,489.75

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Solution

The fourth proportional to 8,025.40, 11,075.63 and 4,489.75 is: 6,196.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,025.40 : 11,075.63 = 4,489.75 : x
  2. Step 2: Convert to fraction form
    8,025.40/11,075.63 = 4,489.75/x
  3. Step 3: Cross multiply
    8,025.40x = 11,075.63 × 4,489.75
  4. Step 4: Simplify right side
    8,025.40x = 49,726,731.97
  5. Step 5: Solve for x
    x = 49,726,731.97/8,025.40
  6. Step 6: Final answer
    x = 6,196.17

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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.