Home / 4,775.76-7,164.72-2,586.48

Finding the Fourth Proportional to 4,775.76, 7,164.72 and 2,586.48

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Solution

The fourth proportional to 4,775.76, 7,164.72 and 2,586.48 is: 3,880.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,775.76 : 7,164.72 = 2,586.48 : x
  2. Step 2: Convert to fraction form
    4,775.76/7,164.72 = 2,586.48/x
  3. Step 3: Cross multiply
    4,775.76x = 7,164.72 × 2,586.48
  4. Step 4: Simplify right side
    4,775.76x = 18,531,404.99
  5. Step 5: Solve for x
    x = 18,531,404.99/4,775.76
  6. Step 6: Final answer
    x = 3,880.30

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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.