Home / 6,388.63-9,558.33-4,298.67

Finding the Fourth Proportional to 6,388.63, 9,558.33 and 4,298.67

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Solution

The fourth proportional to 6,388.63, 9,558.33 and 4,298.67 is: 6,431.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,388.63 : 9,558.33 = 4,298.67 : x
  2. Step 2: Convert to fraction form
    6,388.63/9,558.33 = 4,298.67/x
  3. Step 3: Cross multiply
    6,388.63x = 9,558.33 × 4,298.67
  4. Step 4: Simplify right side
    6,388.63x = 41,088,106.42
  5. Step 5: Solve for x
    x = 41,088,106.42/6,388.63
  6. Step 6: Final answer
    x = 6,431.44

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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.