Home / 5,628.20-8,437.72-2,343.75

Finding the Fourth Proportional to 5,628.20, 8,437.72 and 2,343.75

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Solution

The fourth proportional to 5,628.20, 8,437.72 and 2,343.75 is: 3,513.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,628.20 : 8,437.72 = 2,343.75 : x
  2. Step 2: Convert to fraction form
    5,628.20/8,437.72 = 2,343.75/x
  3. Step 3: Cross multiply
    5,628.20x = 8,437.72 × 2,343.75
  4. Step 4: Simplify right side
    5,628.20x = 19,775,906.25
  5. Step 5: Solve for x
    x = 19,775,906.25/5,628.20
  6. Step 6: Final answer
    x = 3,513.72

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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.