Home / 4,308.80-6,468.40-2,461.20

Finding the Fourth Proportional to 4,308.80, 6,468.40 and 2,461.20

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Solution

The fourth proportional to 4,308.80, 6,468.40 and 2,461.20 is: 3,694.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,308.80 : 6,468.40 = 2,461.20 : x
  2. Step 2: Convert to fraction form
    4,308.80/6,468.40 = 2,461.20/x
  3. Step 3: Cross multiply
    4,308.80x = 6,468.40 × 2,461.20
  4. Step 4: Simplify right side
    4,308.80x = 15,920,026.08
  5. Step 5: Solve for x
    x = 15,920,026.08/4,308.80
  6. Step 6: Final answer
    x = 3,694.77

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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.