Home / 6,459.26-8,911.48-4,222.42

Finding the Fourth Proportional to 6,459.26, 8,911.48 and 4,222.42

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Solution

The fourth proportional to 6,459.26, 8,911.48 and 4,222.42 is: 5,825.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,459.26 : 8,911.48 = 4,222.42 : x
  2. Step 2: Convert to fraction form
    6,459.26/8,911.48 = 4,222.42/x
  3. Step 3: Cross multiply
    6,459.26x = 8,911.48 × 4,222.42
  4. Step 4: Simplify right side
    6,459.26x = 37,628,011.38
  5. Step 5: Solve for x
    x = 37,628,011.38/6,459.26
  6. Step 6: Final answer
    x = 5,825.44

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Half scale
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Double scale
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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.