Home / 5,623-8,435.58-2,545

Finding the Fourth Proportional to 5,623, 8,435.58 and 2,545

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Solution

The fourth proportional to 5,623, 8,435.58 and 2,545 is: 3,817.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,623 : 8,435.58 = 2,545 : x
  2. Step 2: Convert to fraction form
    5,623/8,435.58 = 2,545/x
  3. Step 3: Cross multiply
    5,623x = 8,435.58 × 2,545
  4. Step 4: Simplify right side
    5,623x = 21,468,551.10
  5. Step 5: Solve for x
    x = 21,468,551.10/5,623
  6. Step 6: Final answer
    x = 3,817.99

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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.