Home / 4,157.60-6,234.80-1,383.72

Finding the Fourth Proportional to 4,157.60, 6,234.80 and 1,383.72

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Solution

The fourth proportional to 4,157.60, 6,234.80 and 1,383.72 is: 2,075.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,157.60 : 6,234.80 = 1,383.72 : x
  2. Step 2: Convert to fraction form
    4,157.60/6,234.80 = 1,383.72/x
  3. Step 3: Cross multiply
    4,157.60x = 6,234.80 × 1,383.72
  4. Step 4: Simplify right side
    4,157.60x = 8,627,217.46
  5. Step 5: Solve for x
    x = 8,627,217.46/4,157.60
  6. Step 6: Final answer
    x = 2,075.05

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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.