Home / 4,428.61-6,646.95-2,788.09

Finding the Fourth Proportional to 4,428.61, 6,646.95 and 2,788.09

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Solution

The fourth proportional to 4,428.61, 6,646.95 and 2,788.09 is: 4,184.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,428.61 : 6,646.95 = 2,788.09 : x
  2. Step 2: Convert to fraction form
    4,428.61/6,646.95 = 2,788.09/x
  3. Step 3: Cross multiply
    4,428.61x = 6,646.95 × 2,788.09
  4. Step 4: Simplify right side
    4,428.61x = 18,532,278.21
  5. Step 5: Solve for x
    x = 18,532,278.21/4,428.61
  6. Step 6: Final answer
    x = 4,184.67

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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.