Home / 4,881.08-7,323.65-3,128.06

Finding the Fourth Proportional to 4,881.08, 7,323.65 and 3,128.06

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Solution

The fourth proportional to 4,881.08, 7,323.65 and 3,128.06 is: 4,693.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,881.08 : 7,323.65 = 3,128.06 : x
  2. Step 2: Convert to fraction form
    4,881.08/7,323.65 = 3,128.06/x
  3. Step 3: Cross multiply
    4,881.08x = 7,323.65 × 3,128.06
  4. Step 4: Simplify right side
    4,881.08x = 22,908,764.36
  5. Step 5: Solve for x
    x = 22,908,764.36/4,881.08
  6. Step 6: Final answer
    x = 4,693.39

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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.