Home / 9,481.40-13,084.28-5,289.64

Finding the Fourth Proportional to 9,481.40, 13,084.28 and 5,289.64

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Solution

The fourth proportional to 9,481.40, 13,084.28 and 5,289.64 is: 7,299.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,481.40 : 13,084.28 = 5,289.64 : x
  2. Step 2: Convert to fraction form
    9,481.40/13,084.28 = 5,289.64/x
  3. Step 3: Cross multiply
    9,481.40x = 13,084.28 × 5,289.64
  4. Step 4: Simplify right side
    9,481.40x = 69,211,130.86
  5. Step 5: Solve for x
    x = 69,211,130.86/9,481.40
  6. Step 6: Final answer
    x = 7,299.67

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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.