Home / 4,310.61-6,464.29-1,388.13

Finding the Fourth Proportional to 4,310.61, 6,464.29 and 1,388.13

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Solution

The fourth proportional to 4,310.61, 6,464.29 and 1,388.13 is: 2,081.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,310.61 : 6,464.29 = 1,388.13 : x
  2. Step 2: Convert to fraction form
    4,310.61/6,464.29 = 1,388.13/x
  3. Step 3: Cross multiply
    4,310.61x = 6,464.29 × 1,388.13
  4. Step 4: Simplify right side
    4,310.61x = 8,973,274.88
  5. Step 5: Solve for x
    x = 8,973,274.88/4,310.61
  6. Step 6: Final answer
    x = 2,081.67

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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.