Home / 5,289.12-7,295.94-3,426.12

Finding the Fourth Proportional to 5,289.12, 7,295.94 and 3,426.12

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Solution

The fourth proportional to 5,289.12, 7,295.94 and 3,426.12 is: 4,726.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,289.12 : 7,295.94 = 3,426.12 : x
  2. Step 2: Convert to fraction form
    5,289.12/7,295.94 = 3,426.12/x
  3. Step 3: Cross multiply
    5,289.12x = 7,295.94 × 3,426.12
  4. Step 4: Simplify right side
    5,289.12x = 24,996,765.95
  5. Step 5: Solve for x
    x = 24,996,765.95/5,289.12
  6. Step 6: Final answer
    x = 4,726.07

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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.