Home / 4,305.32-6,449.72-2,916.28

Finding the Fourth Proportional to 4,305.32, 6,449.72 and 2,916.28

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Solution

The fourth proportional to 4,305.32, 6,449.72 and 2,916.28 is: 4,368.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,305.32 : 6,449.72 = 2,916.28 : x
  2. Step 2: Convert to fraction form
    4,305.32/6,449.72 = 2,916.28/x
  3. Step 3: Cross multiply
    4,305.32x = 6,449.72 × 2,916.28
  4. Step 4: Simplify right side
    4,305.32x = 18,809,189.44
  5. Step 5: Solve for x
    x = 18,809,189.44/4,305.32
  6. Step 6: Final answer
    x = 4,368.82

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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.