Home / 7,311.60-10,968.30-2,630.88

Finding the Fourth Proportional to 7,311.60, 10,968.30 and 2,630.88

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Solution

The fourth proportional to 7,311.60, 10,968.30 and 2,630.88 is: 3,946.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,311.60 : 10,968.30 = 2,630.88 : x
  2. Step 2: Convert to fraction form
    7,311.60/10,968.30 = 2,630.88/x
  3. Step 3: Cross multiply
    7,311.60x = 10,968.30 × 2,630.88
  4. Step 4: Simplify right side
    7,311.60x = 28,856,281.10
  5. Step 5: Solve for x
    x = 28,856,281.10/7,311.60
  6. Step 6: Final answer
    x = 3,946.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.