Home / 8,706.15-12,014.37-4,727.31

Finding the Fourth Proportional to 8,706.15, 12,014.37 and 4,727.31

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Solution

The fourth proportional to 8,706.15, 12,014.37 and 4,727.31 is: 6,523.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,706.15 : 12,014.37 = 4,727.31 : x
  2. Step 2: Convert to fraction form
    8,706.15/12,014.37 = 4,727.31/x
  3. Step 3: Cross multiply
    8,706.15x = 12,014.37 × 4,727.31
  4. Step 4: Simplify right side
    8,706.15x = 56,795,651.44
  5. Step 5: Solve for x
    x = 56,795,651.44/8,706.15
  6. Step 6: Final answer
    x = 6,523.62

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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.