Home / 4,770.74-7,148.42-2,580.50

Finding the Fourth Proportional to 4,770.74, 7,148.42 and 2,580.50

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Solution

The fourth proportional to 4,770.74, 7,148.42 and 2,580.50 is: 3,866.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,770.74 : 7,148.42 = 2,580.50 : x
  2. Step 2: Convert to fraction form
    4,770.74/7,148.42 = 2,580.50/x
  3. Step 3: Cross multiply
    4,770.74x = 7,148.42 × 2,580.50
  4. Step 4: Simplify right side
    4,770.74x = 18,446,497.81
  5. Step 5: Solve for x
    x = 18,446,497.81/4,770.74
  6. Step 6: Final answer
    x = 3,866.59

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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.