Home / 5,064.63-6,982.86-3,871.09

Finding the Fourth Proportional to 5,064.63, 6,982.86 and 3,871.09

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Solution

The fourth proportional to 5,064.63, 6,982.86 and 3,871.09 is: 5,337.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,064.63 : 6,982.86 = 3,871.09 : x
  2. Step 2: Convert to fraction form
    5,064.63/6,982.86 = 3,871.09/x
  3. Step 3: Cross multiply
    5,064.63x = 6,982.86 × 3,871.09
  4. Step 4: Simplify right side
    5,064.63x = 27,031,280.99
  5. Step 5: Solve for x
    x = 27,031,280.99/5,064.63
  6. Step 6: Final answer
    x = 5,337.27

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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.