Home / 8,160.72-11,262.08-5,017.92

Finding the Fourth Proportional to 8,160.72, 11,262.08 and 5,017.92

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Solution

The fourth proportional to 8,160.72, 11,262.08 and 5,017.92 is: 6,924.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,160.72 : 11,262.08 = 5,017.92 : x
  2. Step 2: Convert to fraction form
    8,160.72/11,262.08 = 5,017.92/x
  3. Step 3: Cross multiply
    8,160.72x = 11,262.08 × 5,017.92
  4. Step 4: Simplify right side
    8,160.72x = 56,512,216.47
  5. Step 5: Solve for x
    x = 56,512,216.47/8,160.72
  6. Step 6: Final answer
    x = 6,924.91

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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.