Home / 4,777.64-7,167.30-2,180.84

Finding the Fourth Proportional to 4,777.64, 7,167.30 and 2,180.84

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Solution

The fourth proportional to 4,777.64, 7,167.30 and 2,180.84 is: 3,271.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,777.64 : 7,167.30 = 2,180.84 : x
  2. Step 2: Convert to fraction form
    4,777.64/7,167.30 = 2,180.84/x
  3. Step 3: Cross multiply
    4,777.64x = 7,167.30 × 2,180.84
  4. Step 4: Simplify right side
    4,777.64x = 15,630,734.53
  5. Step 5: Solve for x
    x = 15,630,734.53/4,777.64
  6. Step 6: Final answer
    x = 3,271.64

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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.