Home / 6,453.59-8,897.42-4,211.55

Finding the Fourth Proportional to 6,453.59, 8,897.42 and 4,211.55

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Solution

The fourth proportional to 6,453.59, 8,897.42 and 4,211.55 is: 5,806.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,453.59 : 8,897.42 = 4,211.55 : x
  2. Step 2: Convert to fraction form
    6,453.59/8,897.42 = 4,211.55/x
  3. Step 3: Cross multiply
    6,453.59x = 8,897.42 × 4,211.55
  4. Step 4: Simplify right side
    6,453.59x = 37,471,939.73
  5. Step 5: Solve for x
    x = 37,471,939.73/6,453.59
  6. Step 6: Final answer
    x = 5,806.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.