Home / 7,916.94-11,875.41-5,150.39

Finding the Fourth Proportional to 7,916.94, 11,875.41 and 5,150.39

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Solution

The fourth proportional to 7,916.94, 11,875.41 and 5,150.39 is: 7,725.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,916.94 : 11,875.41 = 5,150.39 : x
  2. Step 2: Convert to fraction form
    7,916.94/11,875.41 = 5,150.39/x
  3. Step 3: Cross multiply
    7,916.94x = 11,875.41 × 5,150.39
  4. Step 4: Simplify right side
    7,916.94x = 61,162,933.53
  5. Step 5: Solve for x
    x = 61,162,933.53/7,916.94
  6. Step 6: Final answer
    x = 7,725.58

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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.