Home / 6,890.42-9,508.74-3,746.54

Finding the Fourth Proportional to 6,890.42, 9,508.74 and 3,746.54

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Solution

The fourth proportional to 6,890.42, 9,508.74 and 3,746.54 is: 5,170.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,890.42 : 9,508.74 = 3,746.54 : x
  2. Step 2: Convert to fraction form
    6,890.42/9,508.74 = 3,746.54/x
  3. Step 3: Cross multiply
    6,890.42x = 9,508.74 × 3,746.54
  4. Step 4: Simplify right side
    6,890.42x = 35,624,874.76
  5. Step 5: Solve for x
    x = 35,624,874.76/6,890.42
  6. Step 6: Final answer
    x = 5,170.20

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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.