Home / 8,582.65-12,849.71-5,454.91

Finding the Fourth Proportional to 8,582.65, 12,849.71 and 5,454.91

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Solution

The fourth proportional to 8,582.65, 12,849.71 and 5,454.91 is: 8,166.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,582.65 : 12,849.71 = 5,454.91 : x
  2. Step 2: Convert to fraction form
    8,582.65/12,849.71 = 5,454.91/x
  3. Step 3: Cross multiply
    8,582.65x = 12,849.71 × 5,454.91
  4. Step 4: Simplify right side
    8,582.65x = 70,094,011.58
  5. Step 5: Solve for x
    x = 70,094,011.58/8,582.65
  6. Step 6: Final answer
    x = 8,166.94

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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.