Home / 6,864.30-9,473.32-3,880.67

Finding the Fourth Proportional to 6,864.30, 9,473.32 and 3,880.67

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Solution

The fourth proportional to 6,864.30, 9,473.32 and 3,880.67 is: 5,355.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,864.30 : 9,473.32 = 3,880.67 : x
  2. Step 2: Convert to fraction form
    6,864.30/9,473.32 = 3,880.67/x
  3. Step 3: Cross multiply
    6,864.30x = 9,473.32 × 3,880.67
  4. Step 4: Simplify right side
    6,864.30x = 36,762,786.21
  5. Step 5: Solve for x
    x = 36,762,786.21/6,864.30
  6. Step 6: Final answer
    x = 5,355.65

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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.