Home / 8,931.45-13,396.91-2,357.67

Finding the Fourth Proportional to 8,931.45, 13,396.91 and 2,357.67

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Solution

The fourth proportional to 8,931.45, 13,396.91 and 2,357.67 is: 3,536.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,931.45 : 13,396.91 = 2,357.67 : x
  2. Step 2: Convert to fraction form
    8,931.45/13,396.91 = 2,357.67/x
  3. Step 3: Cross multiply
    8,931.45x = 13,396.91 × 2,357.67
  4. Step 4: Simplify right side
    8,931.45x = 31,585,481.01
  5. Step 5: Solve for x
    x = 31,585,481.01/8,931.45
  6. Step 6: Final answer
    x = 3,536.43

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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.