Home / 9,179.21-12,666.44-5,200.31

Finding the Fourth Proportional to 9,179.21, 12,666.44 and 5,200.31

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Solution

The fourth proportional to 9,179.21, 12,666.44 and 5,200.31 is: 7,175.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,179.21 : 12,666.44 = 5,200.31 : x
  2. Step 2: Convert to fraction form
    9,179.21/12,666.44 = 5,200.31/x
  3. Step 3: Cross multiply
    9,179.21x = 12,666.44 × 5,200.31
  4. Step 4: Simplify right side
    9,179.21x = 65,869,459.26
  5. Step 5: Solve for x
    x = 65,869,459.26/9,179.21
  6. Step 6: Final answer
    x = 7,175.94

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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.