Home / 4,830.40-7,241.84-2,929.28

Finding the Fourth Proportional to 4,830.40, 7,241.84 and 2,929.28

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Solution

The fourth proportional to 4,830.40, 7,241.84 and 2,929.28 is: 4,391.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,830.40 : 7,241.84 = 2,929.28 : x
  2. Step 2: Convert to fraction form
    4,830.40/7,241.84 = 2,929.28/x
  3. Step 3: Cross multiply
    4,830.40x = 7,241.84 × 2,929.28
  4. Step 4: Simplify right side
    4,830.40x = 21,213,377.08
  5. Step 5: Solve for x
    x = 21,213,377.08/4,830.40
  6. Step 6: Final answer
    x = 4,391.64

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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.