Home / 6,611.21-9,124.34-4,260.18

Finding the Fourth Proportional to 6,611.21, 9,124.34 and 4,260.18

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Solution

The fourth proportional to 6,611.21, 9,124.34 and 4,260.18 is: 5,879.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,611.21 : 9,124.34 = 4,260.18 : x
  2. Step 2: Convert to fraction form
    6,611.21/9,124.34 = 4,260.18/x
  3. Step 3: Cross multiply
    6,611.21x = 9,124.34 × 4,260.18
  4. Step 4: Simplify right side
    6,611.21x = 38,871,330.78
  5. Step 5: Solve for x
    x = 38,871,330.78/6,611.21
  6. Step 6: Final answer
    x = 5,879.61

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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.