Home / 7,118.56-10,663.26-4,188.16

Finding the Fourth Proportional to 7,118.56, 10,663.26 and 4,188.16

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Solution

The fourth proportional to 7,118.56, 10,663.26 and 4,188.16 is: 6,273.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,118.56 : 10,663.26 = 4,188.16 : x
  2. Step 2: Convert to fraction form
    7,118.56/10,663.26 = 4,188.16/x
  3. Step 3: Cross multiply
    7,118.56x = 10,663.26 × 4,188.16
  4. Step 4: Simplify right side
    7,118.56x = 44,659,439.00
  5. Step 5: Solve for x
    x = 44,659,439.00/7,118.56
  6. Step 6: Final answer
    x = 6,273.66

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1.5x scale

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.