Home / 4,250.60-6,373.70-1,328.12

Finding the Fourth Proportional to 4,250.60, 6,373.70 and 1,328.12

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Solution

The fourth proportional to 4,250.60, 6,373.70 and 1,328.12 is: 1,991.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,250.60 : 6,373.70 = 1,328.12 : x
  2. Step 2: Convert to fraction form
    4,250.60/6,373.70 = 1,328.12/x
  3. Step 3: Cross multiply
    4,250.60x = 6,373.70 × 1,328.12
  4. Step 4: Simplify right side
    4,250.60x = 8,465,038.44
  5. Step 5: Solve for x
    x = 8,465,038.44/4,250.60
  6. Step 6: Final answer
    x = 1,991.49

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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.