Home / 8,513.34-11,745.06-6,280.50

Finding the Fourth Proportional to 8,513.34, 11,745.06 and 6,280.50

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Solution

The fourth proportional to 8,513.34, 11,745.06 and 6,280.50 is: 8,664.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,513.34 : 11,745.06 = 6,280.50 : x
  2. Step 2: Convert to fraction form
    8,513.34/11,745.06 = 6,280.50/x
  3. Step 3: Cross multiply
    8,513.34x = 11,745.06 × 6,280.50
  4. Step 4: Simplify right side
    8,513.34x = 73,764,849.33
  5. Step 5: Solve for x
    x = 73,764,849.33/8,513.34
  6. Step 6: Final answer
    x = 8,664.62

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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.