Home / 4,478.73-6,718.82-1,557.87

Finding the Fourth Proportional to 4,478.73, 6,718.82 and 1,557.87

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Solution

The fourth proportional to 4,478.73, 6,718.82 and 1,557.87 is: 2,337.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,478.73 : 6,718.82 = 1,557.87 : x
  2. Step 2: Convert to fraction form
    4,478.73/6,718.82 = 1,557.87/x
  3. Step 3: Cross multiply
    4,478.73x = 6,718.82 × 1,557.87
  4. Step 4: Simplify right side
    4,478.73x = 10,467,040.32
  5. Step 5: Solve for x
    x = 10,467,040.32/4,478.73
  6. Step 6: Final answer
    x = 2,337.06

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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.