Home / 4,180.34-6,269.40-1,258.76

Finding the Fourth Proportional to 4,180.34, 6,269.40 and 1,258.76

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Solution

The fourth proportional to 4,180.34, 6,269.40 and 1,258.76 is: 1,887.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,180.34 : 6,269.40 = 1,258.76 : x
  2. Step 2: Convert to fraction form
    4,180.34/6,269.40 = 1,258.76/x
  3. Step 3: Cross multiply
    4,180.34x = 6,269.40 × 1,258.76
  4. Step 4: Simplify right side
    4,180.34x = 7,891,669.94
  5. Step 5: Solve for x
    x = 7,891,669.94/4,180.34
  6. Step 6: Final answer
    x = 1,887.81

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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.