Home / 8,330.74-12,498.27-2,487.35

Finding the Fourth Proportional to 8,330.74, 12,498.27 and 2,487.35

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Solution

The fourth proportional to 8,330.74, 12,498.27 and 2,487.35 is: 3,731.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,330.74 : 12,498.27 = 2,487.35 : x
  2. Step 2: Convert to fraction form
    8,330.74/12,498.27 = 2,487.35/x
  3. Step 3: Cross multiply
    8,330.74x = 12,498.27 × 2,487.35
  4. Step 4: Simplify right side
    8,330.74x = 31,087,571.88
  5. Step 5: Solve for x
    x = 31,087,571.88/8,330.74
  6. Step 6: Final answer
    x = 3,731.67

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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.