Home / 5,645.34-8,470.98-4,012.38

Finding the Fourth Proportional to 5,645.34, 8,470.98 and 4,012.38

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Solution

The fourth proportional to 5,645.34, 8,470.98 and 4,012.38 is: 6,020.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,645.34 : 8,470.98 = 4,012.38 : x
  2. Step 2: Convert to fraction form
    5,645.34/8,470.98 = 4,012.38/x
  3. Step 3: Cross multiply
    5,645.34x = 8,470.98 × 4,012.38
  4. Step 4: Simplify right side
    5,645.34x = 33,988,790.73
  5. Step 5: Solve for x
    x = 33,988,790.73/5,645.34
  6. Step 6: Final answer
    x = 6,020.68

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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.