Home / 7,814.03-10,758.39-6,326.87

Finding the Fourth Proportional to 7,814.03, 10,758.39 and 6,326.87

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Solution

The fourth proportional to 7,814.03, 10,758.39 and 6,326.87 is: 8,710.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,814.03 : 10,758.39 = 6,326.87 : x
  2. Step 2: Convert to fraction form
    7,814.03/10,758.39 = 6,326.87/x
  3. Step 3: Cross multiply
    7,814.03x = 10,758.39 × 6,326.87
  4. Step 4: Simplify right side
    7,814.03x = 68,066,934.94
  5. Step 5: Solve for x
    x = 68,066,934.94/7,814.03
  6. Step 6: Final answer
    x = 8,710.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.