Home / 5,620.44-8,423.40-3,020.40

Finding the Fourth Proportional to 5,620.44, 8,423.40 and 3,020.40

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Solution

The fourth proportional to 5,620.44, 8,423.40 and 3,020.40 is: 4,526.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,620.44 : 8,423.40 = 3,020.40 : x
  2. Step 2: Convert to fraction form
    5,620.44/8,423.40 = 3,020.40/x
  3. Step 3: Cross multiply
    5,620.44x = 8,423.40 × 3,020.40
  4. Step 4: Simplify right side
    5,620.44x = 25,442,037.36
  5. Step 5: Solve for x
    x = 25,442,037.36/5,620.44
  6. Step 6: Final answer
    x = 4,526.70

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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.