Home / 5,661.56-7,812.96-3,303.72

Finding the Fourth Proportional to 5,661.56, 7,812.96 and 3,303.72

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Solution

The fourth proportional to 5,661.56, 7,812.96 and 3,303.72 is: 4,559.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,661.56 : 7,812.96 = 3,303.72 : x
  2. Step 2: Convert to fraction form
    5,661.56/7,812.96 = 3,303.72/x
  3. Step 3: Cross multiply
    5,661.56x = 7,812.96 × 3,303.72
  4. Step 4: Simplify right side
    5,661.56x = 25,811,819.82
  5. Step 5: Solve for x
    x = 25,811,819.82/5,661.56
  6. Step 6: Final answer
    x = 4,559.13

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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.