Home / 5,275.37-7,911.46-1,764.48

Finding the Fourth Proportional to 5,275.37, 7,911.46 and 1,764.48

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Solution

The fourth proportional to 5,275.37, 7,911.46 and 1,764.48 is: 2,646.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,275.37 : 7,911.46 = 1,764.48 : x
  2. Step 2: Convert to fraction form
    5,275.37/7,911.46 = 1,764.48/x
  3. Step 3: Cross multiply
    5,275.37x = 7,911.46 × 1,764.48
  4. Step 4: Simplify right side
    5,275.37x = 13,959,612.94
  5. Step 5: Solve for x
    x = 13,959,612.94/5,275.37
  6. Step 6: Final answer
    x = 2,646.19

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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.