Home / 8,125.04-12,188.34-2,281.64

Finding the Fourth Proportional to 8,125.04, 12,188.34 and 2,281.64

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Solution

The fourth proportional to 8,125.04, 12,188.34 and 2,281.64 is: 3,422.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,125.04 : 12,188.34 = 2,281.64 : x
  2. Step 2: Convert to fraction form
    8,125.04/12,188.34 = 2,281.64/x
  3. Step 3: Cross multiply
    8,125.04x = 12,188.34 × 2,281.64
  4. Step 4: Simplify right side
    8,125.04x = 27,809,343.14
  5. Step 5: Solve for x
    x = 27,809,343.14/8,125.04
  6. Step 6: Final answer
    x = 3,422.67

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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.