Home / 5,313.09-7,969.79-1,616.25

Finding the Fourth Proportional to 5,313.09, 7,969.79 and 1,616.25

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Solution

The fourth proportional to 5,313.09, 7,969.79 and 1,616.25 is: 2,424.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,313.09 : 7,969.79 = 1,616.25 : x
  2. Step 2: Convert to fraction form
    5,313.09/7,969.79 = 1,616.25/x
  3. Step 3: Cross multiply
    5,313.09x = 7,969.79 × 1,616.25
  4. Step 4: Simplify right side
    5,313.09x = 12,881,207.01
  5. Step 5: Solve for x
    x = 12,881,207.01/5,313.09
  6. Step 6: Final answer
    x = 2,424.43

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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.