Home / 8,680.02-13,019.22-2,440.60

Finding the Fourth Proportional to 8,680.02, 13,019.22 and 2,440.60

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Solution

The fourth proportional to 8,680.02, 13,019.22 and 2,440.60 is: 3,660.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,680.02 : 13,019.22 = 2,440.60 : x
  2. Step 2: Convert to fraction form
    8,680.02/13,019.22 = 2,440.60/x
  3. Step 3: Cross multiply
    8,680.02x = 13,019.22 × 2,440.60
  4. Step 4: Simplify right side
    8,680.02x = 31,774,708.33
  5. Step 5: Solve for x
    x = 31,774,708.33/8,680.02
  6. Step 6: Final answer
    x = 3,660.67

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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.