Home / 4,382.36-6,572.88-1,420.43

Finding the Fourth Proportional to 4,382.36, 6,572.88 and 1,420.43

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Solution

The fourth proportional to 4,382.36, 6,572.88 and 1,420.43 is: 2,130.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,382.36 : 6,572.88 = 1,420.43 : x
  2. Step 2: Convert to fraction form
    4,382.36/6,572.88 = 1,420.43/x
  3. Step 3: Cross multiply
    4,382.36x = 6,572.88 × 1,420.43
  4. Step 4: Simplify right side
    4,382.36x = 9,336,283.07
  5. Step 5: Solve for x
    x = 9,336,283.07/4,382.36
  6. Step 6: Final answer
    x = 2,130.43

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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.