Home / 8,259.28-12,377.68-4,556

Finding the Fourth Proportional to 8,259.28, 12,377.68 and 4,556

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Solution

The fourth proportional to 8,259.28, 12,377.68 and 4,556 is: 6,827.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,259.28 : 12,377.68 = 4,556 : x
  2. Step 2: Convert to fraction form
    8,259.28/12,377.68 = 4,556/x
  3. Step 3: Cross multiply
    8,259.28x = 12,377.68 × 4,556
  4. Step 4: Simplify right side
    8,259.28x = 56,392,710.08
  5. Step 5: Solve for x
    x = 56,392,710.08/8,259.28
  6. Step 6: Final answer
    x = 6,827.80

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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.