Home / 6,321.12-8,723.24-3,488.45

Finding the Fourth Proportional to 6,321.12, 8,723.24 and 3,488.45

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Solution

The fourth proportional to 6,321.12, 8,723.24 and 3,488.45 is: 4,814.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,321.12 : 8,723.24 = 3,488.45 : x
  2. Step 2: Convert to fraction form
    6,321.12/8,723.24 = 3,488.45/x
  3. Step 3: Cross multiply
    6,321.12x = 8,723.24 × 3,488.45
  4. Step 4: Simplify right side
    6,321.12x = 30,430,525.52
  5. Step 5: Solve for x
    x = 30,430,525.52/6,321.12
  6. Step 6: Final answer
    x = 4,814.10

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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.