Home / 4,372.75-6,560.64-1,906.30

Finding the Fourth Proportional to 4,372.75, 6,560.64 and 1,906.30

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Solution

The fourth proportional to 4,372.75, 6,560.64 and 1,906.30 is: 2,860.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,372.75 : 6,560.64 = 1,906.30 : x
  2. Step 2: Convert to fraction form
    4,372.75/6,560.64 = 1,906.30/x
  3. Step 3: Cross multiply
    4,372.75x = 6,560.64 × 1,906.30
  4. Step 4: Simplify right side
    4,372.75x = 12,506,548.03
  5. Step 5: Solve for x
    x = 12,506,548.03/4,372.75
  6. Step 6: Final answer
    x = 2,860.11

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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.