Home / 5,324.16-7,980.48-3,584.64

Finding the Fourth Proportional to 5,324.16, 7,980.48 and 3,584.64

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Solution

The fourth proportional to 5,324.16, 7,980.48 and 3,584.64 is: 5,373.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,324.16 : 7,980.48 = 3,584.64 : x
  2. Step 2: Convert to fraction form
    5,324.16/7,980.48 = 3,584.64/x
  3. Step 3: Cross multiply
    5,324.16x = 7,980.48 × 3,584.64
  4. Step 4: Simplify right side
    5,324.16x = 28,607,147.83
  5. Step 5: Solve for x
    x = 28,607,147.83/5,324.16
  6. Step 6: Final answer
    x = 5,373.08

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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.