Home / 4,140.06-6,201.76-1,915.76

Finding the Fourth Proportional to 4,140.06, 6,201.76 and 1,915.76

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Solution

The fourth proportional to 4,140.06, 6,201.76 and 1,915.76 is: 2,869.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,140.06 : 6,201.76 = 1,915.76 : x
  2. Step 2: Convert to fraction form
    4,140.06/6,201.76 = 1,915.76/x
  3. Step 3: Cross multiply
    4,140.06x = 6,201.76 × 1,915.76
  4. Step 4: Simplify right side
    4,140.06x = 11,881,083.74
  5. Step 5: Solve for x
    x = 11,881,083.74/4,140.06
  6. Step 6: Final answer
    x = 2,869.79

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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.