Home / 4,512.38-6,228.90-3,880.35

Finding the Fourth Proportional to 4,512.38, 6,228.90 and 3,880.35

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Solution

The fourth proportional to 4,512.38, 6,228.90 and 3,880.35 is: 5,356.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,512.38 : 6,228.90 = 3,880.35 : x
  2. Step 2: Convert to fraction form
    4,512.38/6,228.90 = 3,880.35/x
  3. Step 3: Cross multiply
    4,512.38x = 6,228.90 × 3,880.35
  4. Step 4: Simplify right side
    4,512.38x = 24,170,312.12
  5. Step 5: Solve for x
    x = 24,170,312.12/4,512.38
  6. Step 6: Final answer
    x = 5,356.45

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Half 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.