Home / 7,044.30-10,537.29-6,402.78

Finding the Fourth Proportional to 7,044.30, 10,537.29 and 6,402.78

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Solution

The fourth proportional to 7,044.30, 10,537.29 and 6,402.78 is: 9,577.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,044.30 : 10,537.29 = 6,402.78 : x
  2. Step 2: Convert to fraction form
    7,044.30/10,537.29 = 6,402.78/x
  3. Step 3: Cross multiply
    7,044.30x = 10,537.29 × 6,402.78
  4. Step 4: Simplify right side
    7,044.30x = 67,467,949.67
  5. Step 5: Solve for x
    x = 67,467,949.67/7,044.30
  6. Step 6: Final answer
    x = 9,577.67

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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.