Home / 4,125.21-6,188.10-1,660.05

Finding the Fourth Proportional to 4,125.21, 6,188.10 and 1,660.05

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Solution

The fourth proportional to 4,125.21, 6,188.10 and 1,660.05 is: 2,490.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,125.21 : 6,188.10 = 1,660.05 : x
  2. Step 2: Convert to fraction form
    4,125.21/6,188.10 = 1,660.05/x
  3. Step 3: Cross multiply
    4,125.21x = 6,188.10 × 1,660.05
  4. Step 4: Simplify right side
    4,125.21x = 10,272,555.41
  5. Step 5: Solve for x
    x = 10,272,555.41/4,125.21
  6. Step 6: Final answer
    x = 2,490.19

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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.