Home / 5,408.77-7,463.94-3,018.81

Finding the Fourth Proportional to 5,408.77, 7,463.94 and 3,018.81

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Solution

The fourth proportional to 5,408.77, 7,463.94 and 3,018.81 is: 4,165.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,408.77 : 7,463.94 = 3,018.81 : x
  2. Step 2: Convert to fraction form
    5,408.77/7,463.94 = 3,018.81/x
  3. Step 3: Cross multiply
    5,408.77x = 7,463.94 × 3,018.81
  4. Step 4: Simplify right side
    5,408.77x = 22,532,216.71
  5. Step 5: Solve for x
    x = 22,532,216.71/5,408.77
  6. Step 6: Final answer
    x = 4,165.87

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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.