Home / 4,881.78-7,323.45-2,109.29

Finding the Fourth Proportional to 4,881.78, 7,323.45 and 2,109.29

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Solution

The fourth proportional to 4,881.78, 7,323.45 and 2,109.29 is: 3,164.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,881.78 : 7,323.45 = 2,109.29 : x
  2. Step 2: Convert to fraction form
    4,881.78/7,323.45 = 2,109.29/x
  3. Step 3: Cross multiply
    4,881.78x = 7,323.45 × 2,109.29
  4. Step 4: Simplify right side
    4,881.78x = 15,447,298.16
  5. Step 5: Solve for x
    x = 15,447,298.16/4,881.78
  6. Step 6: Final answer
    x = 3,164.28

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1.5x scale

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.