Home / 5,076.56-7,005.68-2,838.47

Finding the Fourth Proportional to 5,076.56, 7,005.68 and 2,838.47

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Solution

The fourth proportional to 5,076.56, 7,005.68 and 2,838.47 is: 3,917.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,076.56 : 7,005.68 = 2,838.47 : x
  2. Step 2: Convert to fraction form
    5,076.56/7,005.68 = 2,838.47/x
  3. Step 3: Cross multiply
    5,076.56x = 7,005.68 × 2,838.47
  4. Step 4: Simplify right side
    5,076.56x = 19,885,363.29
  5. Step 5: Solve for x
    x = 19,885,363.29/5,076.56
  6. Step 6: Final answer
    x = 3,917.10

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1.5x scale

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.