Home / 4,286.42-6,428.72-1,653.02

Finding the Fourth Proportional to 4,286.42, 6,428.72 and 1,653.02

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Solution

The fourth proportional to 4,286.42, 6,428.72 and 1,653.02 is: 2,479.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,286.42 : 6,428.72 = 1,653.02 : x
  2. Step 2: Convert to fraction form
    4,286.42/6,428.72 = 1,653.02/x
  3. Step 3: Cross multiply
    4,286.42x = 6,428.72 × 1,653.02
  4. Step 4: Simplify right side
    4,286.42x = 10,626,774.72
  5. Step 5: Solve for x
    x = 10,626,774.72/4,286.42
  6. Step 6: Final answer
    x = 2,479.18

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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.