Home / 6,303.74-9,448.59-2,139.80

Finding the Fourth Proportional to 6,303.74, 9,448.59 and 2,139.80

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Solution

The fourth proportional to 6,303.74, 9,448.59 and 2,139.80 is: 3,207.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,303.74 : 9,448.59 = 2,139.80 : x
  2. Step 2: Convert to fraction form
    6,303.74/9,448.59 = 2,139.80/x
  3. Step 3: Cross multiply
    6,303.74x = 9,448.59 × 2,139.80
  4. Step 4: Simplify right side
    6,303.74x = 20,218,092.88
  5. Step 5: Solve for x
    x = 20,218,092.88/6,303.74
  6. Step 6: Final answer
    x = 3,207.32

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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.