Home / 5,491.41-7,577.78-3,395.13

Finding the Fourth Proportional to 5,491.41, 7,577.78 and 3,395.13

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Solution

The fourth proportional to 5,491.41, 7,577.78 and 3,395.13 is: 4,685.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,491.41 : 7,577.78 = 3,395.13 : x
  2. Step 2: Convert to fraction form
    5,491.41/7,577.78 = 3,395.13/x
  3. Step 3: Cross multiply
    5,491.41x = 7,577.78 × 3,395.13
  4. Step 4: Simplify right side
    5,491.41x = 25,727,548.21
  5. Step 5: Solve for x
    x = 25,727,548.21/5,491.41
  6. Step 6: Final answer
    x = 4,685.05

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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.