Home / 7,681.21-11,516.73-3,001.67

Finding the Fourth Proportional to 7,681.21, 11,516.73 and 3,001.67

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Solution

The fourth proportional to 7,681.21, 11,516.73 and 3,001.67 is: 4,500.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,681.21 : 11,516.73 = 3,001.67 : x
  2. Step 2: Convert to fraction form
    7,681.21/11,516.73 = 3,001.67/x
  3. Step 3: Cross multiply
    7,681.21x = 11,516.73 × 3,001.67
  4. Step 4: Simplify right side
    7,681.21x = 34,569,478.95
  5. Step 5: Solve for x
    x = 34,569,478.95/7,681.21
  6. Step 6: Final answer
    x = 4,500.52

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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.