Home / 5,303.61-7,319.21-2,945.75

Finding the Fourth Proportional to 5,303.61, 7,319.21 and 2,945.75

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Solution

The fourth proportional to 5,303.61, 7,319.21 and 2,945.75 is: 4,065.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,303.61 : 7,319.21 = 2,945.75 : x
  2. Step 2: Convert to fraction form
    5,303.61/7,319.21 = 2,945.75/x
  3. Step 3: Cross multiply
    5,303.61x = 7,319.21 × 2,945.75
  4. Step 4: Simplify right side
    5,303.61x = 21,560,562.86
  5. Step 5: Solve for x
    x = 21,560,562.86/5,303.61
  6. Step 6: Final answer
    x = 4,065.26

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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.