Home / 4,878.09-7,307.37-2,929.23

Finding the Fourth Proportional to 4,878.09, 7,307.37 and 2,929.23

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Solution

The fourth proportional to 4,878.09, 7,307.37 and 2,929.23 is: 4,387.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,878.09 : 7,307.37 = 2,929.23 : x
  2. Step 2: Convert to fraction form
    4,878.09/7,307.37 = 2,929.23/x
  3. Step 3: Cross multiply
    4,878.09x = 7,307.37 × 2,929.23
  4. Step 4: Simplify right side
    4,878.09x = 21,404,967.43
  5. Step 5: Solve for x
    x = 21,404,967.43/4,878.09
  6. Step 6: Final answer
    x = 4,387.98

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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.