Home / 4,428.89-6,111.63-2,540.55

Finding the Fourth Proportional to 4,428.89, 6,111.63 and 2,540.55

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Solution

The fourth proportional to 4,428.89, 6,111.63 and 2,540.55 is: 3,505.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,428.89 : 6,111.63 = 2,540.55 : x
  2. Step 2: Convert to fraction form
    4,428.89/6,111.63 = 2,540.55/x
  3. Step 3: Cross multiply
    4,428.89x = 6,111.63 × 2,540.55
  4. Step 4: Simplify right side
    4,428.89x = 15,526,901.60
  5. Step 5: Solve for x
    x = 15,526,901.60/4,428.89
  6. Step 6: Final answer
    x = 3,505.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.