Home / 9,102.34-12,560.65-5,518.09

Finding the Fourth Proportional to 9,102.34, 12,560.65 and 5,518.09

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Solution

The fourth proportional to 9,102.34, 12,560.65 and 5,518.09 is: 7,614.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,102.34 : 12,560.65 = 5,518.09 : x
  2. Step 2: Convert to fraction form
    9,102.34/12,560.65 = 5,518.09/x
  3. Step 3: Cross multiply
    9,102.34x = 12,560.65 × 5,518.09
  4. Step 4: Simplify right side
    9,102.34x = 69,310,734.36
  5. Step 5: Solve for x
    x = 69,310,734.36/9,102.34
  6. Step 6: Final answer
    x = 7,614.61

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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.