Home / 8,717.24-13,075.39-5,112.83

Finding the Fourth Proportional to 8,717.24, 13,075.39 and 5,112.83

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Solution

The fourth proportional to 8,717.24, 13,075.39 and 5,112.83 is: 7,668.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,717.24 : 13,075.39 = 5,112.83 : x
  2. Step 2: Convert to fraction form
    8,717.24/13,075.39 = 5,112.83/x
  3. Step 3: Cross multiply
    8,717.24x = 13,075.39 × 5,112.83
  4. Step 4: Simplify right side
    8,717.24x = 66,852,211.78
  5. Step 5: Solve for x
    x = 66,852,211.78/8,717.24
  6. Step 6: Final answer
    x = 7,668.96

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1.5x scale

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.