Home / 9,957.56-13,739.91-5,765

Finding the Fourth Proportional to 9,957.56, 13,739.91 and 5,765

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Solution

The fourth proportional to 9,957.56, 13,739.91 and 5,765 is: 7,954.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,957.56 : 13,739.91 = 5,765 : x
  2. Step 2: Convert to fraction form
    9,957.56/13,739.91 = 5,765/x
  3. Step 3: Cross multiply
    9,957.56x = 13,739.91 × 5,765
  4. Step 4: Simplify right side
    9,957.56x = 79,210,581.15
  5. Step 5: Solve for x
    x = 79,210,581.15/9,957.56
  6. Step 6: Final answer
    x = 7,954.82

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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.