Home / 4,780.50-7,157.88-2,697.39

Finding the Fourth Proportional to 4,780.50, 7,157.88 and 2,697.39

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Solution

The fourth proportional to 4,780.50, 7,157.88 and 2,697.39 is: 4,038.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,780.50 : 7,157.88 = 2,697.39 : x
  2. Step 2: Convert to fraction form
    4,780.50/7,157.88 = 2,697.39/x
  3. Step 3: Cross multiply
    4,780.50x = 7,157.88 × 2,697.39
  4. Step 4: Simplify right side
    4,780.50x = 19,307,593.93
  5. Step 5: Solve for x
    x = 19,307,593.93/4,780.50
  6. Step 6: Final answer
    x = 4,038.82

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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.