Home / 4,283.22-6,423.54-1,818

Finding the Fourth Proportional to 4,283.22, 6,423.54 and 1,818

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Solution

The fourth proportional to 4,283.22, 6,423.54 and 1,818 is: 2,726.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,283.22 : 6,423.54 = 1,818 : x
  2. Step 2: Convert to fraction form
    4,283.22/6,423.54 = 1,818/x
  3. Step 3: Cross multiply
    4,283.22x = 6,423.54 × 1,818
  4. Step 4: Simplify right side
    4,283.22x = 11,677,995.72
  5. Step 5: Solve for x
    x = 11,677,995.72/4,283.22
  6. Step 6: Final answer
    x = 2,726.45

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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.