Home / 7,450.60-11,182.20-3,071.20

Finding the Fourth Proportional to 7,450.60, 11,182.20 and 3,071.20

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Solution

The fourth proportional to 7,450.60, 11,182.20 and 3,071.20 is: 4,609.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,450.60 : 11,182.20 = 3,071.20 : x
  2. Step 2: Convert to fraction form
    7,450.60/11,182.20 = 3,071.20/x
  3. Step 3: Cross multiply
    7,450.60x = 11,182.20 × 3,071.20
  4. Step 4: Simplify right side
    7,450.60x = 34,342,772.64
  5. Step 5: Solve for x
    x = 34,342,772.64/7,450.60
  6. Step 6: Final answer
    x = 4,609.40

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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.