Home / 6,468-8,924.40-3,815.52

Finding the Fourth Proportional to 6,468, 8,924.40 and 3,815.52

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Solution

The fourth proportional to 6,468, 8,924.40 and 3,815.52 is: 5,264.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,468 : 8,924.40 = 3,815.52 : x
  2. Step 2: Convert to fraction form
    6,468/8,924.40 = 3,815.52/x
  3. Step 3: Cross multiply
    6,468x = 8,924.40 × 3,815.52
  4. Step 4: Simplify right side
    6,468x = 34,051,226.69
  5. Step 5: Solve for x
    x = 34,051,226.69/6,468
  6. Step 6: Final answer
    x = 5,264.57

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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.