Home / 5,917.92-8,113.77-5,812.56

Finding the Fourth Proportional to 5,917.92, 8,113.77 and 5,812.56

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Solution

The fourth proportional to 5,917.92, 8,113.77 and 5,812.56 is: 7,969.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,917.92 : 8,113.77 = 5,812.56 : x
  2. Step 2: Convert to fraction form
    5,917.92/8,113.77 = 5,812.56/x
  3. Step 3: Cross multiply
    5,917.92x = 8,113.77 × 5,812.56
  4. Step 4: Simplify right side
    5,917.92x = 47,161,774.95
  5. Step 5: Solve for x
    x = 47,161,774.95/5,917.92
  6. Step 6: Final answer
    x = 7,969.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.