Home / 8,453.07-12,658.55-5,119.56

Finding the Fourth Proportional to 8,453.07, 12,658.55 and 5,119.56

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Solution

The fourth proportional to 8,453.07, 12,658.55 and 5,119.56 is: 7,666.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,453.07 : 12,658.55 = 5,119.56 : x
  2. Step 2: Convert to fraction form
    8,453.07/12,658.55 = 5,119.56/x
  3. Step 3: Cross multiply
    8,453.07x = 12,658.55 × 5,119.56
  4. Step 4: Simplify right side
    8,453.07x = 64,806,180.64
  5. Step 5: Solve for x
    x = 64,806,180.64/8,453.07
  6. Step 6: Final answer
    x = 7,666.59

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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.