Home / 4,784.08-6,600-2,920

Finding the Fourth Proportional to 4,784.08, 6,600 and 2,920

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Solution

The fourth proportional to 4,784.08, 6,600 and 2,920 is: 4,028.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,784.08 : 6,600 = 2,920 : x
  2. Step 2: Convert to fraction form
    4,784.08/6,600 = 2,920/x
  3. Step 3: Cross multiply
    4,784.08x = 6,600 × 2,920
  4. Step 4: Simplify right side
    4,784.08x = 19,272,000
  5. Step 5: Solve for x
    x = 19,272,000/4,784.08
  6. Step 6: Final answer
    x = 4,028.36

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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.