Home / 6,376.40-9,568.35-2,678.35

Finding the Fourth Proportional to 6,376.40, 9,568.35 and 2,678.35

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Solution

The fourth proportional to 6,376.40, 9,568.35 and 2,678.35 is: 4,019.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,376.40 : 9,568.35 = 2,678.35 : x
  2. Step 2: Convert to fraction form
    6,376.40/9,568.35 = 2,678.35/x
  3. Step 3: Cross multiply
    6,376.40x = 9,568.35 × 2,678.35
  4. Step 4: Simplify right side
    6,376.40x = 25,627,390.22
  5. Step 5: Solve for x
    x = 25,627,390.22/6,376.40
  6. Step 6: Final answer
    x = 4,019.10

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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.