Home / 8,501.67-12,738.60-5,204.70

Finding the Fourth Proportional to 8,501.67, 12,738.60 and 5,204.70

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Solution

The fourth proportional to 8,501.67, 12,738.60 and 5,204.70 is: 7,798.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,501.67 : 12,738.60 = 5,204.70 : x
  2. Step 2: Convert to fraction form
    8,501.67/12,738.60 = 5,204.70/x
  3. Step 3: Cross multiply
    8,501.67x = 12,738.60 × 5,204.70
  4. Step 4: Simplify right side
    8,501.67x = 66,300,591.42
  5. Step 5: Solve for x
    x = 66,300,591.42/8,501.67
  6. Step 6: Final answer
    x = 7,798.54

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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.