Home / 5,623.94-8,426.31-3,977.30

Finding the Fourth Proportional to 5,623.94, 8,426.31 and 3,977.30

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Solution

The fourth proportional to 5,623.94, 8,426.31 and 3,977.30 is: 5,959.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,623.94 : 8,426.31 = 3,977.30 : x
  2. Step 2: Convert to fraction form
    5,623.94/8,426.31 = 3,977.30/x
  3. Step 3: Cross multiply
    5,623.94x = 8,426.31 × 3,977.30
  4. Step 4: Simplify right side
    5,623.94x = 33,513,962.76
  5. Step 5: Solve for x
    x = 33,513,962.76/5,623.94
  6. Step 6: Final answer
    x = 5,959.16

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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.