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Finding the Fourth Proportional to 4,673.58, 7,012.37 and 1,554

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Solution

The fourth proportional to 4,673.58, 7,012.37 and 1,554 is: 2,331.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,673.58 : 7,012.37 = 1,554 : x
  2. Step 2: Convert to fraction form
    4,673.58/7,012.37 = 1,554/x
  3. Step 3: Cross multiply
    4,673.58x = 7,012.37 × 1,554
  4. Step 4: Simplify right side
    4,673.58x = 10,897,222.98
  5. Step 5: Solve for x
    x = 10,897,222.98/4,673.58
  6. Step 6: Final answer
    x = 2,331.67

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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.