Home / 5,384.26-8,069.67-1,917.70

Finding the Fourth Proportional to 5,384.26, 8,069.67 and 1,917.70

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Solution

The fourth proportional to 5,384.26, 8,069.67 and 1,917.70 is: 2,874.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,384.26 : 8,069.67 = 1,917.70 : x
  2. Step 2: Convert to fraction form
    5,384.26/8,069.67 = 1,917.70/x
  3. Step 3: Cross multiply
    5,384.26x = 8,069.67 × 1,917.70
  4. Step 4: Simplify right side
    5,384.26x = 15,475,206.16
  5. Step 5: Solve for x
    x = 15,475,206.16/5,384.26
  6. Step 6: Final answer
    x = 2,874.16

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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.