Home / 8,319.87-11,481.45-4,783.08

Finding the Fourth Proportional to 8,319.87, 11,481.45 and 4,783.08

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Solution

The fourth proportional to 8,319.87, 11,481.45 and 4,783.08 is: 6,600.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,319.87 : 11,481.45 = 4,783.08 : x
  2. Step 2: Convert to fraction form
    8,319.87/11,481.45 = 4,783.08/x
  3. Step 3: Cross multiply
    8,319.87x = 11,481.45 × 4,783.08
  4. Step 4: Simplify right side
    8,319.87x = 54,916,693.87
  5. Step 5: Solve for x
    x = 54,916,693.87/8,319.87
  6. Step 6: Final answer
    x = 6,600.67

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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.