Home / 6,137.55-9,206.84-2,187.28

Finding the Fourth Proportional to 6,137.55, 9,206.84 and 2,187.28

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Solution

The fourth proportional to 6,137.55, 9,206.84 and 2,187.28 is: 3,281.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,137.55 : 9,206.84 = 2,187.28 : x
  2. Step 2: Convert to fraction form
    6,137.55/9,206.84 = 2,187.28/x
  3. Step 3: Cross multiply
    6,137.55x = 9,206.84 × 2,187.28
  4. Step 4: Simplify right side
    6,137.55x = 20,137,937.00
  5. Step 5: Solve for x
    x = 20,137,937.00/6,137.55
  6. Step 6: Final answer
    x = 3,281.10

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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.