Home / 6,261.76-9,390.90-2,101.84

Finding the Fourth Proportional to 6,261.76, 9,390.90 and 2,101.84

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Solution

The fourth proportional to 6,261.76, 9,390.90 and 2,101.84 is: 3,152.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,261.76 : 9,390.90 = 2,101.84 : x
  2. Step 2: Convert to fraction form
    6,261.76/9,390.90 = 2,101.84/x
  3. Step 3: Cross multiply
    6,261.76x = 9,390.90 × 2,101.84
  4. Step 4: Simplify right side
    6,261.76x = 19,738,169.26
  5. Step 5: Solve for x
    x = 19,738,169.26/6,261.76
  6. Step 6: Final answer
    x = 3,152.18

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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.