Home / 4,428.74-6,647.21-2,239.00

Finding the Fourth Proportional to 4,428.74, 6,647.21 and 2,239.00

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Solution

The fourth proportional to 4,428.74, 6,647.21 and 2,239.00 is: 3,360.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,428.74 : 6,647.21 = 2,239.00 : x
  2. Step 2: Convert to fraction form
    4,428.74/6,647.21 = 2,239.00/x
  3. Step 3: Cross multiply
    4,428.74x = 6,647.21 × 2,239.00
  4. Step 4: Simplify right side
    4,428.74x = 14,883,058.76
  5. Step 5: Solve for x
    x = 14,883,058.76/4,428.74
  6. Step 6: Final answer
    x = 3,360.56

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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.