Home / 4,286.10-6,428.87-1,364.01

Finding the Fourth Proportional to 4,286.10, 6,428.87 and 1,364.01

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Solution

The fourth proportional to 4,286.10, 6,428.87 and 1,364.01 is: 2,045.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,286.10 : 6,428.87 = 1,364.01 : x
  2. Step 2: Convert to fraction form
    4,286.10/6,428.87 = 1,364.01/x
  3. Step 3: Cross multiply
    4,286.10x = 6,428.87 × 1,364.01
  4. Step 4: Simplify right side
    4,286.10x = 8,769,036.15
  5. Step 5: Solve for x
    x = 8,769,036.15/4,286.10
  6. Step 6: Final answer
    x = 2,045.92

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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.