Home / 8,513.08-11,744.70-6,280.34

Finding the Fourth Proportional to 8,513.08, 11,744.70 and 6,280.34

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Solution

The fourth proportional to 8,513.08, 11,744.70 and 6,280.34 is: 8,664.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,513.08 : 11,744.70 = 6,280.34 : x
  2. Step 2: Convert to fraction form
    8,513.08/11,744.70 = 6,280.34/x
  3. Step 3: Cross multiply
    8,513.08x = 11,744.70 × 6,280.34
  4. Step 4: Simplify right side
    8,513.08x = 73,760,709.20
  5. Step 5: Solve for x
    x = 73,760,709.20/8,513.08
  6. Step 6: Final answer
    x = 8,664.40

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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.