Home / 9,336.83-12,880.63-6,310.98

Finding the Fourth Proportional to 9,336.83, 12,880.63 and 6,310.98

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Solution

The fourth proportional to 9,336.83, 12,880.63 and 6,310.98 is: 8,706.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,336.83 : 12,880.63 = 6,310.98 : x
  2. Step 2: Convert to fraction form
    9,336.83/12,880.63 = 6,310.98/x
  3. Step 3: Cross multiply
    9,336.83x = 12,880.63 × 6,310.98
  4. Step 4: Simplify right side
    9,336.83x = 81,289,398.32
  5. Step 5: Solve for x
    x = 81,289,398.32/9,336.83
  6. Step 6: Final answer
    x = 8,706.32

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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.