Home / 8,814.03-12,152.10-6,427.45

Finding the Fourth Proportional to 8,814.03, 12,152.10 and 6,427.45

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Solution

The fourth proportional to 8,814.03, 12,152.10 and 6,427.45 is: 8,861.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,814.03 : 12,152.10 = 6,427.45 : x
  2. Step 2: Convert to fraction form
    8,814.03/12,152.10 = 6,427.45/x
  3. Step 3: Cross multiply
    8,814.03x = 12,152.10 × 6,427.45
  4. Step 4: Simplify right side
    8,814.03x = 78,107,015.15
  5. Step 5: Solve for x
    x = 78,107,015.15/8,814.03
  6. Step 6: Final answer
    x = 8,861.67

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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.