Home / 5,289.73-7,297.72-3,400.99

Finding the Fourth Proportional to 5,289.73, 7,297.72 and 3,400.99

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Solution

The fourth proportional to 5,289.73, 7,297.72 and 3,400.99 is: 4,692.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,289.73 : 7,297.72 = 3,400.99 : x
  2. Step 2: Convert to fraction form
    5,289.73/7,297.72 = 3,400.99/x
  3. Step 3: Cross multiply
    5,289.73x = 7,297.72 × 3,400.99
  4. Step 4: Simplify right side
    5,289.73x = 24,819,472.74
  5. Step 5: Solve for x
    x = 24,819,472.74/5,289.73
  6. Step 6: Final answer
    x = 4,692.01

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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.