Home / 6,855.21-9,460.15-3,711.38

Finding the Fourth Proportional to 6,855.21, 9,460.15 and 3,711.38

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Solution

The fourth proportional to 6,855.21, 9,460.15 and 3,711.38 is: 5,121.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,855.21 : 9,460.15 = 3,711.38 : x
  2. Step 2: Convert to fraction form
    6,855.21/9,460.15 = 3,711.38/x
  3. Step 3: Cross multiply
    6,855.21x = 9,460.15 × 3,711.38
  4. Step 4: Simplify right side
    6,855.21x = 35,110,154.93
  5. Step 5: Solve for x
    x = 35,110,154.93/6,855.21
  6. Step 6: Final answer
    x = 5,121.67

Related Problems

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Half scale
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Double scale
Find fourth proportional to 6,856.21, 9,461.53 and 3,712.38
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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.