Home / 4,125.68-6,190.80-1,817.12

Finding the Fourth Proportional to 4,125.68, 6,190.80 and 1,817.12

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Solution

The fourth proportional to 4,125.68, 6,190.80 and 1,817.12 is: 2,726.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,125.68 : 6,190.80 = 1,817.12 : x
  2. Step 2: Convert to fraction form
    4,125.68/6,190.80 = 1,817.12/x
  3. Step 3: Cross multiply
    4,125.68x = 6,190.80 × 1,817.12
  4. Step 4: Simplify right side
    4,125.68x = 11,249,426.50
  5. Step 5: Solve for x
    x = 11,249,426.50/4,125.68
  6. Step 6: Final answer
    x = 2,726.68

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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.