Home / 4,547.62-6,815.35-1,912.69

Finding the Fourth Proportional to 4,547.62, 6,815.35 and 1,912.69

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Solution

The fourth proportional to 4,547.62, 6,815.35 and 1,912.69 is: 2,866.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,547.62 : 6,815.35 = 1,912.69 : x
  2. Step 2: Convert to fraction form
    4,547.62/6,815.35 = 1,912.69/x
  3. Step 3: Cross multiply
    4,547.62x = 6,815.35 × 1,912.69
  4. Step 4: Simplify right side
    4,547.62x = 13,035,651.79
  5. Step 5: Solve for x
    x = 13,035,651.79/4,547.62
  6. Step 6: Final answer
    x = 2,866.48

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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.