Home / 8,673.21-13,008.36-3,125.52

Finding the Fourth Proportional to 8,673.21, 13,008.36 and 3,125.52

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Solution

The fourth proportional to 8,673.21, 13,008.36 and 3,125.52 is: 4,687.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,673.21 : 13,008.36 = 3,125.52 : x
  2. Step 2: Convert to fraction form
    8,673.21/13,008.36 = 3,125.52/x
  3. Step 3: Cross multiply
    8,673.21x = 13,008.36 × 3,125.52
  4. Step 4: Simplify right side
    8,673.21x = 40,657,889.35
  5. Step 5: Solve for x
    x = 40,657,889.35/8,673.21
  6. Step 6: Final answer
    x = 4,687.76

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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.