Home / 6,923.76-10,385.64-1,729.64

Finding the Fourth Proportional to 6,923.76, 10,385.64 and 1,729.64

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Solution

The fourth proportional to 6,923.76, 10,385.64 and 1,729.64 is: 2,594.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,923.76 : 10,385.64 = 1,729.64 : x
  2. Step 2: Convert to fraction form
    6,923.76/10,385.64 = 1,729.64/x
  3. Step 3: Cross multiply
    6,923.76x = 10,385.64 × 1,729.64
  4. Step 4: Simplify right side
    6,923.76x = 17,963,366.44
  5. Step 5: Solve for x
    x = 17,963,366.44/6,923.76
  6. Step 6: Final answer
    x = 2,594.45

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.