Home / 4,426.31-6,639.47-1,829.32

Finding the Fourth Proportional to 4,426.31, 6,639.47 and 1,829.32

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Solution

The fourth proportional to 4,426.31, 6,639.47 and 1,829.32 is: 2,743.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,426.31 : 6,639.47 = 1,829.32 : x
  2. Step 2: Convert to fraction form
    4,426.31/6,639.47 = 1,829.32/x
  3. Step 3: Cross multiply
    4,426.31x = 6,639.47 × 1,829.32
  4. Step 4: Simplify right side
    4,426.31x = 12,145,696.38
  5. Step 5: Solve for x
    x = 12,145,696.38/4,426.31
  6. Step 6: Final answer
    x = 2,743.98

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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.