Home / 6,287.06-9,429.02-2,126.98

Finding the Fourth Proportional to 6,287.06, 9,429.02 and 2,126.98

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Solution

The fourth proportional to 6,287.06, 9,429.02 and 2,126.98 is: 3,189.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,287.06 : 9,429.02 = 2,126.98 : x
  2. Step 2: Convert to fraction form
    6,287.06/9,429.02 = 2,126.98/x
  3. Step 3: Cross multiply
    6,287.06x = 9,429.02 × 2,126.98
  4. Step 4: Simplify right side
    6,287.06x = 20,055,336.96
  5. Step 5: Solve for x
    x = 20,055,336.96/6,287.06
  6. Step 6: Final answer
    x = 3,189.94

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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.