Home / 3,647.25-5,018.63-3,545.19

Finding the Fourth Proportional to 3,647.25, 5,018.63 and 3,545.19

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Solution

The fourth proportional to 3,647.25, 5,018.63 and 3,545.19 is: 4,878.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,647.25 : 5,018.63 = 3,545.19 : x
  2. Step 2: Convert to fraction form
    3,647.25/5,018.63 = 3,545.19/x
  3. Step 3: Cross multiply
    3,647.25x = 5,018.63 × 3,545.19
  4. Step 4: Simplify right side
    3,647.25x = 17,791,979.16
  5. Step 5: Solve for x
    x = 17,791,979.16/3,647.25
  6. Step 6: Final answer
    x = 4,878.19

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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.