Home / 5,628.30-8,437.29-2,162.94

Finding the Fourth Proportional to 5,628.30, 8,437.29 and 2,162.94

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Solution

The fourth proportional to 5,628.30, 8,437.29 and 2,162.94 is: 3,242.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,628.30 : 8,437.29 = 2,162.94 : x
  2. Step 2: Convert to fraction form
    5,628.30/8,437.29 = 2,162.94/x
  3. Step 3: Cross multiply
    5,628.30x = 8,437.29 × 2,162.94
  4. Step 4: Simplify right side
    5,628.30x = 18,249,352.03
  5. Step 5: Solve for x
    x = 18,249,352.03/5,628.30
  6. Step 6: Final answer
    x = 3,242.43

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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.