Home / 5,357.90-7,394.84-3,589.76

Finding the Fourth Proportional to 5,357.90, 7,394.84 and 3,589.76

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Solution

The fourth proportional to 5,357.90, 7,394.84 and 3,589.76 is: 4,954.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,357.90 : 7,394.84 = 3,589.76 : x
  2. Step 2: Convert to fraction form
    5,357.90/7,394.84 = 3,589.76/x
  3. Step 3: Cross multiply
    5,357.90x = 7,394.84 × 3,589.76
  4. Step 4: Simplify right side
    5,357.90x = 26,545,700.84
  5. Step 5: Solve for x
    x = 26,545,700.84/5,357.90
  6. Step 6: Final answer
    x = 4,954.50

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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.