Home / 8,127.52-11,216.08-4,542.88

Finding the Fourth Proportional to 8,127.52, 11,216.08 and 4,542.88

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Solution

The fourth proportional to 8,127.52, 11,216.08 and 4,542.88 is: 6,269.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,127.52 : 11,216.08 = 4,542.88 : x
  2. Step 2: Convert to fraction form
    8,127.52/11,216.08 = 4,542.88/x
  3. Step 3: Cross multiply
    8,127.52x = 11,216.08 × 4,542.88
  4. Step 4: Simplify right side
    8,127.52x = 50,953,305.51
  5. Step 5: Solve for x
    x = 50,953,305.51/8,127.52
  6. Step 6: Final answer
    x = 6,269.23

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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.