Home / 6,415.46-8,847.81-4,176.50

Finding the Fourth Proportional to 6,415.46, 8,847.81 and 4,176.50

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Solution

The fourth proportional to 6,415.46, 8,847.81 and 4,176.50 is: 5,759.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,415.46 : 8,847.81 = 4,176.50 : x
  2. Step 2: Convert to fraction form
    6,415.46/8,847.81 = 4,176.50/x
  3. Step 3: Cross multiply
    6,415.46x = 8,847.81 × 4,176.50
  4. Step 4: Simplify right side
    6,415.46x = 36,952,878.47
  5. Step 5: Solve for x
    x = 36,952,878.47/6,415.46
  6. Step 6: Final answer
    x = 5,759.97

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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.