Home / 4,700.11-7,049.40-1,777.72

Finding the Fourth Proportional to 4,700.11, 7,049.40 and 1,777.72

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Solution

The fourth proportional to 4,700.11, 7,049.40 and 1,777.72 is: 2,666.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,700.11 : 7,049.40 = 1,777.72 : x
  2. Step 2: Convert to fraction form
    4,700.11/7,049.40 = 1,777.72/x
  3. Step 3: Cross multiply
    4,700.11x = 7,049.40 × 1,777.72
  4. Step 4: Simplify right side
    4,700.11x = 12,531,859.37
  5. Step 5: Solve for x
    x = 12,531,859.37/4,700.11
  6. Step 6: Final answer
    x = 2,666.29

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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.