Home / 9,579.78-14,371.29-4,386.06

Finding the Fourth Proportional to 9,579.78, 14,371.29 and 4,386.06

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Solution

The fourth proportional to 9,579.78, 14,371.29 and 4,386.06 is: 6,579.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,579.78 : 14,371.29 = 4,386.06 : x
  2. Step 2: Convert to fraction form
    9,579.78/14,371.29 = 4,386.06/x
  3. Step 3: Cross multiply
    9,579.78x = 14,371.29 × 4,386.06
  4. Step 4: Simplify right side
    9,579.78x = 63,033,340.22
  5. Step 5: Solve for x
    x = 63,033,340.22/9,579.78
  6. Step 6: Final answer
    x = 6,579.83

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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.