Home / 4,669.36-6,444.78-3,180.85

Finding the Fourth Proportional to 4,669.36, 6,444.78 and 3,180.85

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Solution

The fourth proportional to 4,669.36, 6,444.78 and 3,180.85 is: 4,390.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,669.36 : 6,444.78 = 3,180.85 : x
  2. Step 2: Convert to fraction form
    4,669.36/6,444.78 = 3,180.85/x
  3. Step 3: Cross multiply
    4,669.36x = 6,444.78 × 3,180.85
  4. Step 4: Simplify right side
    4,669.36x = 20,499,878.46
  5. Step 5: Solve for x
    x = 20,499,878.46/4,669.36
  6. Step 6: Final answer
    x = 4,390.30

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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.