Home / 6,321.20-8,722.84-3,526.64

Finding the Fourth Proportional to 6,321.20, 8,722.84 and 3,526.64

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Solution

The fourth proportional to 6,321.20, 8,722.84 and 3,526.64 is: 4,866.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,321.20 : 8,722.84 = 3,526.64 : x
  2. Step 2: Convert to fraction form
    6,321.20/8,722.84 = 3,526.64/x
  3. Step 3: Cross multiply
    6,321.20x = 8,722.84 × 3,526.64
  4. Step 4: Simplify right side
    6,321.20x = 30,762,316.46
  5. Step 5: Solve for x
    x = 30,762,316.46/6,321.20
  6. Step 6: Final answer
    x = 4,866.53

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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.