Home / 5,285.34-7,929.45-1,823.10

Finding the Fourth Proportional to 5,285.34, 7,929.45 and 1,823.10

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Solution

The fourth proportional to 5,285.34, 7,929.45 and 1,823.10 is: 2,735.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,285.34 : 7,929.45 = 1,823.10 : x
  2. Step 2: Convert to fraction form
    5,285.34/7,929.45 = 1,823.10/x
  3. Step 3: Cross multiply
    5,285.34x = 7,929.45 × 1,823.10
  4. Step 4: Simplify right side
    5,285.34x = 14,456,180.30
  5. Step 5: Solve for x
    x = 14,456,180.30/5,285.34
  6. Step 6: Final answer
    x = 2,735.15

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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.