Home / 4,113.72-6,169.70-1,302.78

Finding the Fourth Proportional to 4,113.72, 6,169.70 and 1,302.78

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Solution

The fourth proportional to 4,113.72, 6,169.70 and 1,302.78 is: 1,953.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,113.72 : 6,169.70 = 1,302.78 : x
  2. Step 2: Convert to fraction form
    4,113.72/6,169.70 = 1,302.78/x
  3. Step 3: Cross multiply
    4,113.72x = 6,169.70 × 1,302.78
  4. Step 4: Simplify right side
    4,113.72x = 8,037,765.02
  5. Step 5: Solve for x
    x = 8,037,765.02/4,113.72
  6. Step 6: Final answer
    x = 1,953.89

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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.