Home / 6,453.20-9,671.70-5,756.60

Finding the Fourth Proportional to 6,453.20, 9,671.70 and 5,756.60

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Solution

The fourth proportional to 6,453.20, 9,671.70 and 5,756.60 is: 8,627.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,453.20 : 9,671.70 = 5,756.60 : x
  2. Step 2: Convert to fraction form
    6,453.20/9,671.70 = 5,756.60/x
  3. Step 3: Cross multiply
    6,453.20x = 9,671.70 × 5,756.60
  4. Step 4: Simplify right side
    6,453.20x = 55,676,108.22
  5. Step 5: Solve for x
    x = 55,676,108.22/6,453.20
  6. Step 6: Final answer
    x = 8,627.67

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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.