Home / 4,440.76-6,128.96-2,672.36

Finding the Fourth Proportional to 4,440.76, 6,128.96 and 2,672.36

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Solution

The fourth proportional to 4,440.76, 6,128.96 and 2,672.36 is: 3,688.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,440.76 : 6,128.96 = 2,672.36 : x
  2. Step 2: Convert to fraction form
    4,440.76/6,128.96 = 2,672.36/x
  3. Step 3: Cross multiply
    4,440.76x = 6,128.96 × 2,672.36
  4. Step 4: Simplify right side
    4,440.76x = 16,378,787.55
  5. Step 5: Solve for x
    x = 16,378,787.55/4,440.76
  6. Step 6: Final answer
    x = 3,688.28

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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.