Home / 5,558.32-8,334.78-1,661.68

Finding the Fourth Proportional to 5,558.32, 8,334.78 and 1,661.68

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Solution

The fourth proportional to 5,558.32, 8,334.78 and 1,661.68 is: 2,491.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,558.32 : 8,334.78 = 1,661.68 : x
  2. Step 2: Convert to fraction form
    5,558.32/8,334.78 = 1,661.68/x
  3. Step 3: Cross multiply
    5,558.32x = 8,334.78 × 1,661.68
  4. Step 4: Simplify right side
    5,558.32x = 13,849,737.23
  5. Step 5: Solve for x
    x = 13,849,737.23/5,558.32
  6. Step 6: Final answer
    x = 2,491.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.