Home / 4,723.80-7,091.10-2,777.10

Finding the Fourth Proportional to 4,723.80, 7,091.10 and 2,777.10

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Solution

The fourth proportional to 4,723.80, 7,091.10 and 2,777.10 is: 4,168.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,723.80 : 7,091.10 = 2,777.10 : x
  2. Step 2: Convert to fraction form
    4,723.80/7,091.10 = 2,777.10/x
  3. Step 3: Cross multiply
    4,723.80x = 7,091.10 × 2,777.10
  4. Step 4: Simplify right side
    4,723.80x = 19,692,693.81
  5. Step 5: Solve for x
    x = 19,692,693.81/4,723.80
  6. Step 6: Final answer
    x = 4,168.82

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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.