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Finding the Fourth Proportional to 8,030.58, 12,015.80 and 7,608.67

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Solution

The fourth proportional to 8,030.58, 12,015.80 and 7,608.67 is: 11,384.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,030.58 : 12,015.80 = 7,608.67 : x
  2. Step 2: Convert to fraction form
    8,030.58/12,015.80 = 7,608.67/x
  3. Step 3: Cross multiply
    8,030.58x = 12,015.80 × 7,608.67
  4. Step 4: Simplify right side
    8,030.58x = 91,424,256.99
  5. Step 5: Solve for x
    x = 91,424,256.99/8,030.58
  6. Step 6: Final answer
    x = 11,384.51

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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.