Home / 8,684.28-13,001.58-5,756.76

Finding the Fourth Proportional to 8,684.28, 13,001.58 and 5,756.76

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Solution

The fourth proportional to 8,684.28, 13,001.58 and 5,756.76 is: 8,618.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,684.28 : 13,001.58 = 5,756.76 : x
  2. Step 2: Convert to fraction form
    8,684.28/13,001.58 = 5,756.76/x
  3. Step 3: Cross multiply
    8,684.28x = 13,001.58 × 5,756.76
  4. Step 4: Simplify right side
    8,684.28x = 74,846,975.68
  5. Step 5: Solve for x
    x = 74,846,975.68/8,684.28
  6. Step 6: Final answer
    x = 8,618.67

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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.