Home / 4,419.18-6,630.53-1,821.51

Finding the Fourth Proportional to 4,419.18, 6,630.53 and 1,821.51

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Solution

The fourth proportional to 4,419.18, 6,630.53 and 1,821.51 is: 2,732.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,419.18 : 6,630.53 = 1,821.51 : x
  2. Step 2: Convert to fraction form
    4,419.18/6,630.53 = 1,821.51/x
  3. Step 3: Cross multiply
    4,419.18x = 6,630.53 × 1,821.51
  4. Step 4: Simplify right side
    4,419.18x = 12,077,567.59
  5. Step 5: Solve for x
    x = 12,077,567.59/4,419.18
  6. Step 6: Final answer
    x = 2,732.99

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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.