Home / 4,830.75-7,248.68-1,909.08

Finding the Fourth Proportional to 4,830.75, 7,248.68 and 1,909.08

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Solution

The fourth proportional to 4,830.75, 7,248.68 and 1,909.08 is: 2,864.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,830.75 : 7,248.68 = 1,909.08 : x
  2. Step 2: Convert to fraction form
    4,830.75/7,248.68 = 1,909.08/x
  3. Step 3: Cross multiply
    4,830.75x = 7,248.68 × 1,909.08
  4. Step 4: Simplify right side
    4,830.75x = 13,838,310.01
  5. Step 5: Solve for x
    x = 13,838,310.01/4,830.75
  6. Step 6: Final answer
    x = 2,864.63

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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.