Home / 8,678.48-13,024.72-4,519.76

Finding the Fourth Proportional to 8,678.48, 13,024.72 and 4,519.76

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Solution

The fourth proportional to 8,678.48, 13,024.72 and 4,519.76 is: 6,783.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,678.48 : 13,024.72 = 4,519.76 : x
  2. Step 2: Convert to fraction form
    8,678.48/13,024.72 = 4,519.76/x
  3. Step 3: Cross multiply
    8,678.48x = 13,024.72 × 4,519.76
  4. Step 4: Simplify right side
    8,678.48x = 58,868,608.47
  5. Step 5: Solve for x
    x = 58,868,608.47/8,678.48
  6. Step 6: Final answer
    x = 6,783.29

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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.