Home / 6,139.08-9,205.88-2,240.75

Finding the Fourth Proportional to 6,139.08, 9,205.88 and 2,240.75

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Solution

The fourth proportional to 6,139.08, 9,205.88 and 2,240.75 is: 3,360.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,139.08 : 9,205.88 = 2,240.75 : x
  2. Step 2: Convert to fraction form
    6,139.08/9,205.88 = 2,240.75/x
  3. Step 3: Cross multiply
    6,139.08x = 9,205.88 × 2,240.75
  4. Step 4: Simplify right side
    6,139.08x = 20,628,075.61
  5. Step 5: Solve for x
    x = 20,628,075.61/6,139.08
  6. Step 6: Final answer
    x = 3,360.12

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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.