Home / 8,513.93-12,749.01-5,217.02

Finding the Fourth Proportional to 8,513.93, 12,749.01 and 5,217.02

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Solution

The fourth proportional to 8,513.93, 12,749.01 and 5,217.02 is: 7,812.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,513.93 : 12,749.01 = 5,217.02 : x
  2. Step 2: Convert to fraction form
    8,513.93/12,749.01 = 5,217.02/x
  3. Step 3: Cross multiply
    8,513.93x = 12,749.01 × 5,217.02
  4. Step 4: Simplify right side
    8,513.93x = 66,511,840.15
  5. Step 5: Solve for x
    x = 66,511,840.15/8,513.93
  6. Step 6: Final answer
    x = 7,812.12

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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.