Home / 4,389.12-6,579.52-1,465.31

Finding the Fourth Proportional to 4,389.12, 6,579.52 and 1,465.31

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Solution

The fourth proportional to 4,389.12, 6,579.52 and 1,465.31 is: 2,196.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,389.12 : 6,579.52 = 1,465.31 : x
  2. Step 2: Convert to fraction form
    4,389.12/6,579.52 = 1,465.31/x
  3. Step 3: Cross multiply
    4,389.12x = 6,579.52 × 1,465.31
  4. Step 4: Simplify right side
    4,389.12x = 9,641,049.24
  5. Step 5: Solve for x
    x = 9,641,049.24/4,389.12
  6. Step 6: Final answer
    x = 2,196.58

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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.