Home / 9,125.87-13,683.79-5,617.17

Finding the Fourth Proportional to 9,125.87, 13,683.79 and 5,617.17

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Solution

The fourth proportional to 9,125.87, 13,683.79 and 5,617.17 is: 8,422.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,125.87 : 13,683.79 = 5,617.17 : x
  2. Step 2: Convert to fraction form
    9,125.87/13,683.79 = 5,617.17/x
  3. Step 3: Cross multiply
    9,125.87x = 13,683.79 × 5,617.17
  4. Step 4: Simplify right side
    9,125.87x = 76,864,188.58
  5. Step 5: Solve for x
    x = 76,864,188.58/9,125.87
  6. Step 6: Final answer
    x = 8,422.67

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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.