Home / 6,140.48-8,475.68-3,751.36

Finding the Fourth Proportional to 6,140.48, 8,475.68 and 3,751.36

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Solution

The fourth proportional to 6,140.48, 8,475.68 and 3,751.36 is: 5,177.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,140.48 : 8,475.68 = 3,751.36 : x
  2. Step 2: Convert to fraction form
    6,140.48/8,475.68 = 3,751.36/x
  3. Step 3: Cross multiply
    6,140.48x = 8,475.68 × 3,751.36
  4. Step 4: Simplify right side
    6,140.48x = 31,795,326.92
  5. Step 5: Solve for x
    x = 31,795,326.92/6,140.48
  6. Step 6: Final answer
    x = 5,177.99

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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.