Home / 6,291.06-9,429.93-2,127.30

Finding the Fourth Proportional to 6,291.06, 9,429.93 and 2,127.30

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Solution

The fourth proportional to 6,291.06, 9,429.93 and 2,127.30 is: 3,188.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,291.06 : 9,429.93 = 2,127.30 : x
  2. Step 2: Convert to fraction form
    6,291.06/9,429.93 = 2,127.30/x
  3. Step 3: Cross multiply
    6,291.06x = 9,429.93 × 2,127.30
  4. Step 4: Simplify right side
    6,291.06x = 20,060,290.09
  5. Step 5: Solve for x
    x = 20,060,290.09/6,291.06
  6. Step 6: Final answer
    x = 3,188.70

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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.