Home / 6,277.29-8,660.91-4,485.31

Finding the Fourth Proportional to 6,277.29, 8,660.91 and 4,485.31

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Solution

The fourth proportional to 6,277.29, 8,660.91 and 4,485.31 is: 6,188.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,277.29 : 8,660.91 = 4,485.31 : x
  2. Step 2: Convert to fraction form
    6,277.29/8,660.91 = 4,485.31/x
  3. Step 3: Cross multiply
    6,277.29x = 8,660.91 × 4,485.31
  4. Step 4: Simplify right side
    6,277.29x = 38,846,866.23
  5. Step 5: Solve for x
    x = 38,846,866.23/6,277.29
  6. Step 6: Final answer
    x = 6,188.48

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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.