Home / 6,815.40-10,223.43-1,884.93

Finding the Fourth Proportional to 6,815.40, 10,223.43 and 1,884.93

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Solution

The fourth proportional to 6,815.40, 10,223.43 and 1,884.93 is: 2,827.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,815.40 : 10,223.43 = 1,884.93 : x
  2. Step 2: Convert to fraction form
    6,815.40/10,223.43 = 1,884.93/x
  3. Step 3: Cross multiply
    6,815.40x = 10,223.43 × 1,884.93
  4. Step 4: Simplify right side
    6,815.40x = 19,270,449.91
  5. Step 5: Solve for x
    x = 19,270,449.91/6,815.40
  6. Step 6: Final answer
    x = 2,827.49

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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.