Home / 5,076.18-7,005.17-2,838.18

Finding the Fourth Proportional to 5,076.18, 7,005.17 and 2,838.18

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Solution

The fourth proportional to 5,076.18, 7,005.17 and 2,838.18 is: 3,916.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,076.18 : 7,005.17 = 2,838.18 : x
  2. Step 2: Convert to fraction form
    5,076.18/7,005.17 = 2,838.18/x
  3. Step 3: Cross multiply
    5,076.18x = 7,005.17 × 2,838.18
  4. Step 4: Simplify right side
    5,076.18x = 19,881,898.36
  5. Step 5: Solve for x
    x = 19,881,898.36/5,076.18
  6. Step 6: Final answer
    x = 3,916.71

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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.