Home / 4,459.84-6,690.75-1,686.54

Finding the Fourth Proportional to 4,459.84, 6,690.75 and 1,686.54

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Solution

The fourth proportional to 4,459.84, 6,690.75 and 1,686.54 is: 2,530.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,459.84 : 6,690.75 = 1,686.54 : x
  2. Step 2: Convert to fraction form
    4,459.84/6,690.75 = 1,686.54/x
  3. Step 3: Cross multiply
    4,459.84x = 6,690.75 × 1,686.54
  4. Step 4: Simplify right side
    4,459.84x = 11,284,198.64
  5. Step 5: Solve for x
    x = 11,284,198.64/4,459.84
  6. Step 6: Final answer
    x = 2,530.18

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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.