Home / 7,916.32-10,929.50-5,084.97

Finding the Fourth Proportional to 7,916.32, 10,929.50 and 5,084.97

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Solution

The fourth proportional to 7,916.32, 10,929.50 and 5,084.97 is: 7,020.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,916.32 : 10,929.50 = 5,084.97 : x
  2. Step 2: Convert to fraction form
    7,916.32/10,929.50 = 5,084.97/x
  3. Step 3: Cross multiply
    7,916.32x = 10,929.50 × 5,084.97
  4. Step 4: Simplify right side
    7,916.32x = 55,576,179.62
  5. Step 5: Solve for x
    x = 55,576,179.62/7,916.32
  6. Step 6: Final answer
    x = 7,020.46

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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.