Home / 7,470.25-11,191.86-5,378.93

Finding the Fourth Proportional to 7,470.25, 11,191.86 and 5,378.93

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Solution

The fourth proportional to 7,470.25, 11,191.86 and 5,378.93 is: 8,058.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,470.25 : 11,191.86 = 5,378.93 : x
  2. Step 2: Convert to fraction form
    7,470.25/11,191.86 = 5,378.93/x
  3. Step 3: Cross multiply
    7,470.25x = 11,191.86 × 5,378.93
  4. Step 4: Simplify right side
    7,470.25x = 60,200,295.60
  5. Step 5: Solve for x
    x = 60,200,295.60/7,470.25
  6. Step 6: Final answer
    x = 8,058.67

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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.