Home / 4,320.87-6,482.32-1,399.16

Finding the Fourth Proportional to 4,320.87, 6,482.32 and 1,399.16

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Solution

The fourth proportional to 4,320.87, 6,482.32 and 1,399.16 is: 2,099.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,320.87 : 6,482.32 = 1,399.16 : x
  2. Step 2: Convert to fraction form
    4,320.87/6,482.32 = 1,399.16/x
  3. Step 3: Cross multiply
    4,320.87x = 6,482.32 × 1,399.16
  4. Step 4: Simplify right side
    4,320.87x = 9,069,815.56
  5. Step 5: Solve for x
    x = 9,069,815.56/4,320.87
  6. Step 6: Final answer
    x = 2,099.07

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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.