Home / 8,513.03-12,758.45-4,764.65

Finding the Fourth Proportional to 8,513.03, 12,758.45 and 4,764.65

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Solution

The fourth proportional to 8,513.03, 12,758.45 and 4,764.65 is: 7,140.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,513.03 : 12,758.45 = 4,764.65 : x
  2. Step 2: Convert to fraction form
    8,513.03/12,758.45 = 4,764.65/x
  3. Step 3: Cross multiply
    8,513.03x = 12,758.45 × 4,764.65
  4. Step 4: Simplify right side
    8,513.03x = 60,789,496.91
  5. Step 5: Solve for x
    x = 60,789,496.91/8,513.03
  6. Step 6: Final answer
    x = 7,140.76

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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.