Home / 6,483.20-8,943.76-3,828.84

Finding the Fourth Proportional to 6,483.20, 8,943.76 and 3,828.84

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Solution

The fourth proportional to 6,483.20, 8,943.76 and 3,828.84 is: 5,281.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,483.20 : 8,943.76 = 3,828.84 : x
  2. Step 2: Convert to fraction form
    6,483.20/8,943.76 = 3,828.84/x
  3. Step 3: Cross multiply
    6,483.20x = 8,943.76 × 3,828.84
  4. Step 4: Simplify right side
    6,483.20x = 34,244,226.04
  5. Step 5: Solve for x
    x = 34,244,226.04/6,483.20
  6. Step 6: Final answer
    x = 5,281.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.