Home / 4,428.86-6,641.38-1,505.84

Finding the Fourth Proportional to 4,428.86, 6,641.38 and 1,505.84

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Solution

The fourth proportional to 4,428.86, 6,641.38 and 1,505.84 is: 2,258.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,428.86 : 6,641.38 = 1,505.84 : x
  2. Step 2: Convert to fraction form
    4,428.86/6,641.38 = 1,505.84/x
  3. Step 3: Cross multiply
    4,428.86x = 6,641.38 × 1,505.84
  4. Step 4: Simplify right side
    4,428.86x = 10,000,855.66
  5. Step 5: Solve for x
    x = 10,000,855.66/4,428.86
  6. Step 6: Final answer
    x = 2,258.11

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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.