Home / 4,308.75-5,946.21-2,445.75

Finding the Fourth Proportional to 4,308.75, 5,946.21 and 2,445.75

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Solution

The fourth proportional to 4,308.75, 5,946.21 and 2,445.75 is: 3,375.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,308.75 : 5,946.21 = 2,445.75 : x
  2. Step 2: Convert to fraction form
    4,308.75/5,946.21 = 2,445.75/x
  3. Step 3: Cross multiply
    4,308.75x = 5,946.21 × 2,445.75
  4. Step 4: Simplify right side
    4,308.75x = 14,542,943.11
  5. Step 5: Solve for x
    x = 14,542,943.11/4,308.75
  6. Step 6: Final answer
    x = 3,375.21

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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.