Home / 8,756.45-13,134.66-2,600.45

Finding the Fourth Proportional to 8,756.45, 13,134.66 and 2,600.45

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Solution

The fourth proportional to 8,756.45, 13,134.66 and 2,600.45 is: 3,900.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,756.45 : 13,134.66 = 2,600.45 : x
  2. Step 2: Convert to fraction form
    8,756.45/13,134.66 = 2,600.45/x
  3. Step 3: Cross multiply
    8,756.45x = 13,134.66 × 2,600.45
  4. Step 4: Simplify right side
    8,756.45x = 34,155,960.92
  5. Step 5: Solve for x
    x = 34,155,960.92/8,756.45
  6. Step 6: Final answer
    x = 3,900.67

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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.