Home / 5,214.45-7,822.35-2,583.30

Finding the Fourth Proportional to 5,214.45, 7,822.35 and 2,583.30

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Solution

The fourth proportional to 5,214.45, 7,822.35 and 2,583.30 is: 3,875.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,214.45 : 7,822.35 = 2,583.30 : x
  2. Step 2: Convert to fraction form
    5,214.45/7,822.35 = 2,583.30/x
  3. Step 3: Cross multiply
    5,214.45x = 7,822.35 × 2,583.30
  4. Step 4: Simplify right side
    5,214.45x = 20,207,476.76
  5. Step 5: Solve for x
    x = 20,207,476.76/5,214.45
  6. Step 6: Final answer
    x = 3,875.28

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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.