Home / 4,283.24-6,420-1,816.52

Finding the Fourth Proportional to 4,283.24, 6,420 and 1,816.52

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Solution

The fourth proportional to 4,283.24, 6,420 and 1,816.52 is: 2,722.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,283.24 : 6,420 = 1,816.52 : x
  2. Step 2: Convert to fraction form
    4,283.24/6,420 = 1,816.52/x
  3. Step 3: Cross multiply
    4,283.24x = 6,420 × 1,816.52
  4. Step 4: Simplify right side
    4,283.24x = 11,662,058.40
  5. Step 5: Solve for x
    x = 11,662,058.40/4,283.24
  6. Step 6: Final answer
    x = 2,722.72

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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.