Home / 6,288.72-8,682.49-3,901.24

Finding the Fourth Proportional to 6,288.72, 8,682.49 and 3,901.24

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Solution

The fourth proportional to 6,288.72, 8,682.49 and 3,901.24 is: 5,386.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,288.72 : 8,682.49 = 3,901.24 : x
  2. Step 2: Convert to fraction form
    6,288.72/8,682.49 = 3,901.24/x
  3. Step 3: Cross multiply
    6,288.72x = 8,682.49 × 3,901.24
  4. Step 4: Simplify right side
    6,288.72x = 33,872,477.29
  5. Step 5: Solve for x
    x = 33,872,477.29/6,288.72
  6. Step 6: Final answer
    x = 5,386.23

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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.