Home / 4,285-5,913.54-2,422.12

Finding the Fourth Proportional to 4,285, 5,913.54 and 2,422.12

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Solution

The fourth proportional to 4,285, 5,913.54 and 2,422.12 is: 3,342.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,285 : 5,913.54 = 2,422.12 : x
  2. Step 2: Convert to fraction form
    4,285/5,913.54 = 2,422.12/x
  3. Step 3: Cross multiply
    4,285x = 5,913.54 × 2,422.12
  4. Step 4: Simplify right side
    4,285x = 14,323,303.50
  5. Step 5: Solve for x
    x = 14,323,303.50/4,285
  6. Step 6: Final answer
    x = 3,342.66

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Half scale
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Double scale
Find fourth proportional to 4,286, 5,914.92 and 2,423.12
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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.