Home / 4,546.80-6,775.68-4,420.14

Finding the Fourth Proportional to 4,546.80, 6,775.68 and 4,420.14

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Solution

The fourth proportional to 4,546.80, 6,775.68 and 4,420.14 is: 6,586.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,546.80 : 6,775.68 = 4,420.14 : x
  2. Step 2: Convert to fraction form
    4,546.80/6,775.68 = 4,420.14/x
  3. Step 3: Cross multiply
    4,546.80x = 6,775.68 × 4,420.14
  4. Step 4: Simplify right side
    4,546.80x = 29,949,454.20
  5. Step 5: Solve for x
    x = 29,949,454.20/4,546.80
  6. Step 6: Final answer
    x = 6,586.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.