Home / 6,542.21-9,028.45-3,709.70

Finding the Fourth Proportional to 6,542.21, 9,028.45 and 3,709.70

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Solution

The fourth proportional to 6,542.21, 9,028.45 and 3,709.70 is: 5,119.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,542.21 : 9,028.45 = 3,709.70 : x
  2. Step 2: Convert to fraction form
    6,542.21/9,028.45 = 3,709.70/x
  3. Step 3: Cross multiply
    6,542.21x = 9,028.45 × 3,709.70
  4. Step 4: Simplify right side
    6,542.21x = 33,492,859.71
  5. Step 5: Solve for x
    x = 33,492,859.71/6,542.21
  6. Step 6: Final answer
    x = 5,119.50

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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.