Home / 8,190.52-12,284.08-2,345.82

Finding the Fourth Proportional to 8,190.52, 12,284.08 and 2,345.82

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Solution

The fourth proportional to 8,190.52, 12,284.08 and 2,345.82 is: 3,518.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,190.52 : 12,284.08 = 2,345.82 : x
  2. Step 2: Convert to fraction form
    8,190.52/12,284.08 = 2,345.82/x
  3. Step 3: Cross multiply
    8,190.52x = 12,284.08 × 2,345.82
  4. Step 4: Simplify right side
    8,190.52x = 28,816,240.55
  5. Step 5: Solve for x
    x = 28,816,240.55/8,190.52
  6. Step 6: Final answer
    x = 3,518.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.