Home / 5,076.07-7,005.13-2,838.04

Finding the Fourth Proportional to 5,076.07, 7,005.13 and 2,838.04

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Solution

The fourth proportional to 5,076.07, 7,005.13 and 2,838.04 is: 3,916.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,076.07 : 7,005.13 = 2,838.04 : x
  2. Step 2: Convert to fraction form
    5,076.07/7,005.13 = 2,838.04/x
  3. Step 3: Cross multiply
    5,076.07x = 7,005.13 × 2,838.04
  4. Step 4: Simplify right side
    5,076.07x = 19,880,814.54
  5. Step 5: Solve for x
    x = 19,880,814.54/5,076.07
  6. Step 6: Final answer
    x = 3,916.58

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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.