Home / 8,392.48-12,582.24-5,308

Finding the Fourth Proportional to 8,392.48, 12,582.24 and 5,308

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Solution

The fourth proportional to 8,392.48, 12,582.24 and 5,308 is: 7,957.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,392.48 : 12,582.24 = 5,308 : x
  2. Step 2: Convert to fraction form
    8,392.48/12,582.24 = 5,308/x
  3. Step 3: Cross multiply
    8,392.48x = 12,582.24 × 5,308
  4. Step 4: Simplify right side
    8,392.48x = 66,786,529.92
  5. Step 5: Solve for x
    x = 66,786,529.92/8,392.48
  6. Step 6: Final answer
    x = 7,957.90

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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.