Home / 8,113.24-11,190.54-4,971.16

Finding the Fourth Proportional to 8,113.24, 11,190.54 and 4,971.16

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Solution

The fourth proportional to 8,113.24, 11,190.54 and 4,971.16 is: 6,856.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,113.24 : 11,190.54 = 4,971.16 : x
  2. Step 2: Convert to fraction form
    8,113.24/11,190.54 = 4,971.16/x
  3. Step 3: Cross multiply
    8,113.24x = 11,190.54 × 4,971.16
  4. Step 4: Simplify right side
    8,113.24x = 55,629,964.83
  5. Step 5: Solve for x
    x = 55,629,964.83/8,113.24
  6. Step 6: Final answer
    x = 6,856.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.