Home / 4,965.21-7,442.66-1,677.20

Finding the Fourth Proportional to 4,965.21, 7,442.66 and 1,677.20

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Solution

The fourth proportional to 4,965.21, 7,442.66 and 1,677.20 is: 2,514.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,965.21 : 7,442.66 = 1,677.20 : x
  2. Step 2: Convert to fraction form
    4,965.21/7,442.66 = 1,677.20/x
  3. Step 3: Cross multiply
    4,965.21x = 7,442.66 × 1,677.20
  4. Step 4: Simplify right side
    4,965.21x = 12,482,796.33
  5. Step 5: Solve for x
    x = 12,482,796.33/4,965.21
  6. Step 6: Final answer
    x = 2,514.05

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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.