Home / 4,454.36-6,681.33-2,115.48

Finding the Fourth Proportional to 4,454.36, 6,681.33 and 2,115.48

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Solution

The fourth proportional to 4,454.36, 6,681.33 and 2,115.48 is: 3,173.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,454.36 : 6,681.33 = 2,115.48 : x
  2. Step 2: Convert to fraction form
    4,454.36/6,681.33 = 2,115.48/x
  3. Step 3: Cross multiply
    4,454.36x = 6,681.33 × 2,115.48
  4. Step 4: Simplify right side
    4,454.36x = 14,134,219.99
  5. Step 5: Solve for x
    x = 14,134,219.99/4,454.36
  6. Step 6: Final answer
    x = 3,173.12

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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.