Home / 5,270.87-7,263.79-3,776.20

Finding the Fourth Proportional to 5,270.87, 7,263.79 and 3,776.20

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Solution

The fourth proportional to 5,270.87, 7,263.79 and 3,776.20 is: 5,203.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,270.87 : 7,263.79 = 3,776.20 : x
  2. Step 2: Convert to fraction form
    5,270.87/7,263.79 = 3,776.20/x
  3. Step 3: Cross multiply
    5,270.87x = 7,263.79 × 3,776.20
  4. Step 4: Simplify right side
    5,270.87x = 27,429,496.20
  5. Step 5: Solve for x
    x = 27,429,496.20/5,270.87
  6. Step 6: Final answer
    x = 5,203.98

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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.