Home / 4,959.67-7,429.77-2,875.30

Finding the Fourth Proportional to 4,959.67, 7,429.77 and 2,875.30

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Solution

The fourth proportional to 4,959.67, 7,429.77 and 2,875.30 is: 4,307.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,959.67 : 7,429.77 = 2,875.30 : x
  2. Step 2: Convert to fraction form
    4,959.67/7,429.77 = 2,875.30/x
  3. Step 3: Cross multiply
    4,959.67x = 7,429.77 × 2,875.30
  4. Step 4: Simplify right side
    4,959.67x = 21,362,817.68
  5. Step 5: Solve for x
    x = 21,362,817.68/4,959.67
  6. Step 6: Final answer
    x = 4,307.31

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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.