Home / 5,529.70-7,627.60-5,160.64

Finding the Fourth Proportional to 5,529.70, 7,627.60 and 5,160.64

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Solution

The fourth proportional to 5,529.70, 7,627.60 and 5,160.64 is: 7,118.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,529.70 : 7,627.60 = 5,160.64 : x
  2. Step 2: Convert to fraction form
    5,529.70/7,627.60 = 5,160.64/x
  3. Step 3: Cross multiply
    5,529.70x = 7,627.60 × 5,160.64
  4. Step 4: Simplify right side
    5,529.70x = 39,363,299.35
  5. Step 5: Solve for x
    x = 39,363,299.35/5,529.70
  6. Step 6: Final answer
    x = 7,118.53

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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.