Home / 7,348.51-11,019.28-2,847.67

Finding the Fourth Proportional to 7,348.51, 11,019.28 and 2,847.67

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Solution

The fourth proportional to 7,348.51, 11,019.28 and 2,847.67 is: 4,270.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,348.51 : 11,019.28 = 2,847.67 : x
  2. Step 2: Convert to fraction form
    7,348.51/11,019.28 = 2,847.67/x
  3. Step 3: Cross multiply
    7,348.51x = 11,019.28 × 2,847.67
  4. Step 4: Simplify right side
    7,348.51x = 31,379,269.75
  5. Step 5: Solve for x
    x = 31,379,269.75/7,348.51
  6. Step 6: Final answer
    x = 4,270.16

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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.