Home / 5,395.04-7,442.99-3,982.10

Finding the Fourth Proportional to 5,395.04, 7,442.99 and 3,982.10

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Solution

The fourth proportional to 5,395.04, 7,442.99 and 3,982.10 is: 5,493.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,395.04 : 7,442.99 = 3,982.10 : x
  2. Step 2: Convert to fraction form
    5,395.04/7,442.99 = 3,982.10/x
  3. Step 3: Cross multiply
    5,395.04x = 7,442.99 × 3,982.10
  4. Step 4: Simplify right side
    5,395.04x = 29,638,673.35
  5. Step 5: Solve for x
    x = 29,638,673.35/5,395.04
  6. Step 6: Final answer
    x = 5,493.69

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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.