Home / 7,091.44-10,630.58-3,140.60

Finding the Fourth Proportional to 7,091.44, 10,630.58 and 3,140.60

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Solution

The fourth proportional to 7,091.44, 10,630.58 and 3,140.60 is: 4,707.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,091.44 : 10,630.58 = 3,140.60 : x
  2. Step 2: Convert to fraction form
    7,091.44/10,630.58 = 3,140.60/x
  3. Step 3: Cross multiply
    7,091.44x = 10,630.58 × 3,140.60
  4. Step 4: Simplify right side
    7,091.44x = 33,386,399.55
  5. Step 5: Solve for x
    x = 33,386,399.55/7,091.44
  6. Step 6: Final answer
    x = 4,707.99

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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.