Home / 8,109.81-11,192.52-4,572.95

Finding the Fourth Proportional to 8,109.81, 11,192.52 and 4,572.95

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Solution

The fourth proportional to 8,109.81, 11,192.52 and 4,572.95 is: 6,311.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,109.81 : 11,192.52 = 4,572.95 : x
  2. Step 2: Convert to fraction form
    8,109.81/11,192.52 = 4,572.95/x
  3. Step 3: Cross multiply
    8,109.81x = 11,192.52 × 4,572.95
  4. Step 4: Simplify right side
    8,109.81x = 51,182,778.37
  5. Step 5: Solve for x
    x = 51,182,778.37/8,109.81
  6. Step 6: Final answer
    x = 6,311.22

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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.