Home / 8,515.83-12,774.29-2,672.67

Finding the Fourth Proportional to 8,515.83, 12,774.29 and 2,672.67

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Solution

The fourth proportional to 8,515.83, 12,774.29 and 2,672.67 is: 4,009.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,515.83 : 12,774.29 = 2,672.67 : x
  2. Step 2: Convert to fraction form
    8,515.83/12,774.29 = 2,672.67/x
  3. Step 3: Cross multiply
    8,515.83x = 12,774.29 × 2,672.67
  4. Step 4: Simplify right side
    8,515.83x = 34,141,448.29
  5. Step 5: Solve for x
    x = 34,141,448.29/8,515.83
  6. Step 6: Final answer
    x = 4,009.17

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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.