Home / 5,280.44-7,918.34-1,582.97

Finding the Fourth Proportional to 5,280.44, 7,918.34 and 1,582.97

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Solution

The fourth proportional to 5,280.44, 7,918.34 and 1,582.97 is: 2,373.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280.44 : 7,918.34 = 1,582.97 : x
  2. Step 2: Convert to fraction form
    5,280.44/7,918.34 = 1,582.97/x
  3. Step 3: Cross multiply
    5,280.44x = 7,918.34 × 1,582.97
  4. Step 4: Simplify right side
    5,280.44x = 12,534,447.16
  5. Step 5: Solve for x
    x = 12,534,447.16/5,280.44
  6. Step 6: Final answer
    x = 2,373.75

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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.