Home / 5,609.10-8,378.30-5,453.58

Finding the Fourth Proportional to 5,609.10, 8,378.30 and 5,453.58

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Solution

The fourth proportional to 5,609.10, 8,378.30 and 5,453.58 is: 8,146.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,609.10 : 8,378.30 = 5,453.58 : x
  2. Step 2: Convert to fraction form
    5,609.10/8,378.30 = 5,453.58/x
  3. Step 3: Cross multiply
    5,609.10x = 8,378.30 × 5,453.58
  4. Step 4: Simplify right side
    5,609.10x = 45,691,702.05
  5. Step 5: Solve for x
    x = 45,691,702.05/5,609.10
  6. Step 6: Final answer
    x = 8,146.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.