Home / 6,415.23-8,851.41-3,620.73

Finding the Fourth Proportional to 6,415.23, 8,851.41 and 3,620.73

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Solution

The fourth proportional to 6,415.23, 8,851.41 and 3,620.73 is: 4,995.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,415.23 : 8,851.41 = 3,620.73 : x
  2. Step 2: Convert to fraction form
    6,415.23/8,851.41 = 3,620.73/x
  3. Step 3: Cross multiply
    6,415.23x = 8,851.41 × 3,620.73
  4. Step 4: Simplify right side
    6,415.23x = 32,048,565.73
  5. Step 5: Solve for x
    x = 32,048,565.73/6,415.23
  6. Step 6: Final answer
    x = 4,995.70

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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.