Home / 6,299.06-9,448.60-2,139.10

Finding the Fourth Proportional to 6,299.06, 9,448.60 and 2,139.10

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Solution

The fourth proportional to 6,299.06, 9,448.60 and 2,139.10 is: 3,208.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,299.06 : 9,448.60 = 2,139.10 : x
  2. Step 2: Convert to fraction form
    6,299.06/9,448.60 = 2,139.10/x
  3. Step 3: Cross multiply
    6,299.06x = 9,448.60 × 2,139.10
  4. Step 4: Simplify right side
    6,299.06x = 20,211,500.26
  5. Step 5: Solve for x
    x = 20,211,500.26/6,299.06
  6. Step 6: Final answer
    x = 3,208.65

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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.