Home / 4,350.12-6,515.40-3,118.92

Finding the Fourth Proportional to 4,350.12, 6,515.40 and 3,118.92

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Solution

The fourth proportional to 4,350.12, 6,515.40 and 3,118.92 is: 4,671.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,350.12 : 6,515.40 = 3,118.92 : x
  2. Step 2: Convert to fraction form
    4,350.12/6,515.40 = 3,118.92/x
  3. Step 3: Cross multiply
    4,350.12x = 6,515.40 × 3,118.92
  4. Step 4: Simplify right side
    4,350.12x = 20,321,011.37
  5. Step 5: Solve for x
    x = 20,321,011.37/4,350.12
  6. Step 6: Final answer
    x = 4,671.37

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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.