Home / 7,395.49-11,090.35-3,178.36

Finding the Fourth Proportional to 7,395.49, 11,090.35 and 3,178.36

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Solution

The fourth proportional to 7,395.49, 11,090.35 and 3,178.36 is: 4,766.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,395.49 : 11,090.35 = 3,178.36 : x
  2. Step 2: Convert to fraction form
    7,395.49/11,090.35 = 3,178.36/x
  3. Step 3: Cross multiply
    7,395.49x = 11,090.35 × 3,178.36
  4. Step 4: Simplify right side
    7,395.49x = 35,249,124.83
  5. Step 5: Solve for x
    x = 35,249,124.83/7,395.49
  6. Step 6: Final answer
    x = 4,766.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.