Home / 4,313.44-6,464.64-1,972

Finding the Fourth Proportional to 4,313.44, 6,464.64 and 1,972

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Solution

The fourth proportional to 4,313.44, 6,464.64 and 1,972 is: 2,955.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,313.44 : 6,464.64 = 1,972 : x
  2. Step 2: Convert to fraction form
    4,313.44/6,464.64 = 1,972/x
  3. Step 3: Cross multiply
    4,313.44x = 6,464.64 × 1,972
  4. Step 4: Simplify right side
    4,313.44x = 12,748,270.08
  5. Step 5: Solve for x
    x = 12,748,270.08/4,313.44
  6. Step 6: Final answer
    x = 2,955.48

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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.