Home / 6,127.80-8,457.78-3,610.20

Finding the Fourth Proportional to 6,127.80, 8,457.78 and 3,610.20

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Solution

The fourth proportional to 6,127.80, 8,457.78 and 3,610.20 is: 4,982.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,127.80 : 8,457.78 = 3,610.20 : x
  2. Step 2: Convert to fraction form
    6,127.80/8,457.78 = 3,610.20/x
  3. Step 3: Cross multiply
    6,127.80x = 8,457.78 × 3,610.20
  4. Step 4: Simplify right side
    6,127.80x = 30,534,277.36
  5. Step 5: Solve for x
    x = 30,534,277.36/6,127.80
  6. Step 6: Final answer
    x = 4,982.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.