Home / 8,574.49-12,883.26-5,455.85

Finding the Fourth Proportional to 8,574.49, 12,883.26 and 5,455.85

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Solution

The fourth proportional to 8,574.49, 12,883.26 and 5,455.85 is: 8,197.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,574.49 : 12,883.26 = 5,455.85 : x
  2. Step 2: Convert to fraction form
    8,574.49/12,883.26 = 5,455.85/x
  3. Step 3: Cross multiply
    8,574.49x = 12,883.26 × 5,455.85
  4. Step 4: Simplify right side
    8,574.49x = 70,289,134.07
  5. Step 5: Solve for x
    x = 70,289,134.07/8,574.49
  6. Step 6: Final answer
    x = 8,197.48

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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.