Home / 6,750.32-10,117.80-3,279.60

Finding the Fourth Proportional to 6,750.32, 10,117.80 and 3,279.60

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Solution

The fourth proportional to 6,750.32, 10,117.80 and 3,279.60 is: 4,915.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,750.32 : 10,117.80 = 3,279.60 : x
  2. Step 2: Convert to fraction form
    6,750.32/10,117.80 = 3,279.60/x
  3. Step 3: Cross multiply
    6,750.32x = 10,117.80 × 3,279.60
  4. Step 4: Simplify right side
    6,750.32x = 33,182,336.88
  5. Step 5: Solve for x
    x = 33,182,336.88/6,750.32
  6. Step 6: Final answer
    x = 4,915.67

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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.