Home / 5,018.60-6,923.62-3,618.28

Finding the Fourth Proportional to 5,018.60, 6,923.62 and 3,618.28

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Solution

The fourth proportional to 5,018.60, 6,923.62 and 3,618.28 is: 4,991.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,018.60 : 6,923.62 = 3,618.28 : x
  2. Step 2: Convert to fraction form
    5,018.60/6,923.62 = 3,618.28/x
  3. Step 3: Cross multiply
    5,018.60x = 6,923.62 × 3,618.28
  4. Step 4: Simplify right side
    5,018.60x = 25,051,595.77
  5. Step 5: Solve for x
    x = 25,051,595.77/5,018.60
  6. Step 6: Final answer
    x = 4,991.75

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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.