Home / 4,285.48-6,428.69-1,363.10

Finding the Fourth Proportional to 4,285.48, 6,428.69 and 1,363.10

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Solution

The fourth proportional to 4,285.48, 6,428.69 and 1,363.10 is: 2,044.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,285.48 : 6,428.69 = 1,363.10 : x
  2. Step 2: Convert to fraction form
    4,285.48/6,428.69 = 1,363.10/x
  3. Step 3: Cross multiply
    4,285.48x = 6,428.69 × 1,363.10
  4. Step 4: Simplify right side
    4,285.48x = 8,762,940.52
  5. Step 5: Solve for x
    x = 8,762,940.52/4,285.48
  6. Step 6: Final answer
    x = 2,044.80

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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.