Home / 8,170.28-11,271.61-5,336.67

Finding the Fourth Proportional to 8,170.28, 11,271.61 and 5,336.67

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Solution

The fourth proportional to 8,170.28, 11,271.61 and 5,336.67 is: 7,362.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,170.28 : 11,271.61 = 5,336.67 : x
  2. Step 2: Convert to fraction form
    8,170.28/11,271.61 = 5,336.67/x
  3. Step 3: Cross multiply
    8,170.28x = 11,271.61 × 5,336.67
  4. Step 4: Simplify right side
    8,170.28x = 60,152,862.94
  5. Step 5: Solve for x
    x = 60,152,862.94/8,170.28
  6. Step 6: Final answer
    x = 7,362.40

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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.