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Finding the Fourth Proportional to 6,219.92, 8,582 and 3,530.54

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Solution

The fourth proportional to 6,219.92, 8,582 and 3,530.54 is: 4,871.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,219.92 : 8,582 = 3,530.54 : x
  2. Step 2: Convert to fraction form
    6,219.92/8,582 = 3,530.54/x
  3. Step 3: Cross multiply
    6,219.92x = 8,582 × 3,530.54
  4. Step 4: Simplify right side
    6,219.92x = 30,299,094.28
  5. Step 5: Solve for x
    x = 30,299,094.28/6,219.92
  6. Step 6: Final answer
    x = 4,871.30

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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.