Home / 4,871.07-6,722.01-2,775.15

Finding the Fourth Proportional to 4,871.07, 6,722.01 and 2,775.15

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Solution

The fourth proportional to 4,871.07, 6,722.01 and 2,775.15 is: 3,829.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,871.07 : 6,722.01 = 2,775.15 : x
  2. Step 2: Convert to fraction form
    4,871.07/6,722.01 = 2,775.15/x
  3. Step 3: Cross multiply
    4,871.07x = 6,722.01 × 2,775.15
  4. Step 4: Simplify right side
    4,871.07x = 18,654,586.05
  5. Step 5: Solve for x
    x = 18,654,586.05/4,871.07
  6. Step 6: Final answer
    x = 3,829.67

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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.