Home / 5,375.23-7,417.81-3,018.13

Finding the Fourth Proportional to 5,375.23, 7,417.81 and 3,018.13

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Solution

The fourth proportional to 5,375.23, 7,417.81 and 3,018.13 is: 4,165.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,375.23 : 7,417.81 = 3,018.13 : x
  2. Step 2: Convert to fraction form
    5,375.23/7,417.81 = 3,018.13/x
  3. Step 3: Cross multiply
    5,375.23x = 7,417.81 × 3,018.13
  4. Step 4: Simplify right side
    5,375.23x = 22,387,914.90
  5. Step 5: Solve for x
    x = 22,387,914.90/5,375.23
  6. Step 6: Final answer
    x = 4,165.02

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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.