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Finding the Fourth Proportional to 4,672.74, 7,004.38 and 3,030.33

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Solution

The fourth proportional to 4,672.74, 7,004.38 and 3,030.33 is: 4,542.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,672.74 : 7,004.38 = 3,030.33 : x
  2. Step 2: Convert to fraction form
    4,672.74/7,004.38 = 3,030.33/x
  3. Step 3: Cross multiply
    4,672.74x = 7,004.38 × 3,030.33
  4. Step 4: Simplify right side
    4,672.74x = 21,225,582.85
  5. Step 5: Solve for x
    x = 21,225,582.85/4,672.74
  6. Step 6: Final answer
    x = 4,542.43

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1.5x scale

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.