Home / 6,917.31-10,370.93-2,756.07

Finding the Fourth Proportional to 6,917.31, 10,370.93 and 2,756.07

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Solution

The fourth proportional to 6,917.31, 10,370.93 and 2,756.07 is: 4,132.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,917.31 : 10,370.93 = 2,756.07 : x
  2. Step 2: Convert to fraction form
    6,917.31/10,370.93 = 2,756.07/x
  3. Step 3: Cross multiply
    6,917.31x = 10,370.93 × 2,756.07
  4. Step 4: Simplify right side
    6,917.31x = 28,583,009.05
  5. Step 5: Solve for x
    x = 28,583,009.05/6,917.31
  6. Step 6: Final answer
    x = 4,132.10

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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.