Home / 6,133.20-8,461.54-3,742.36

Finding the Fourth Proportional to 6,133.20, 8,461.54 and 3,742.36

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Solution

The fourth proportional to 6,133.20, 8,461.54 and 3,742.36 is: 5,163.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,133.20 : 8,461.54 = 3,742.36 : x
  2. Step 2: Convert to fraction form
    6,133.20/8,461.54 = 3,742.36/x
  3. Step 3: Cross multiply
    6,133.20x = 8,461.54 × 3,742.36
  4. Step 4: Simplify right side
    6,133.20x = 31,666,128.83
  5. Step 5: Solve for x
    x = 31,666,128.83/6,133.20
  6. Step 6: Final answer
    x = 5,163.07

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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.