Home / 6,746.75-10,102.40-5,423.48

Finding the Fourth Proportional to 6,746.75, 10,102.40 and 5,423.48

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Solution

The fourth proportional to 6,746.75, 10,102.40 and 5,423.48 is: 8,120.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,746.75 : 10,102.40 = 5,423.48 : x
  2. Step 2: Convert to fraction form
    6,746.75/10,102.40 = 5,423.48/x
  3. Step 3: Cross multiply
    6,746.75x = 10,102.40 × 5,423.48
  4. Step 4: Simplify right side
    6,746.75x = 54,790,164.35
  5. Step 5: Solve for x
    x = 54,790,164.35/6,746.75
  6. Step 6: Final answer
    x = 8,120.97

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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.