Home / 7,910.81-10,916.56-4,553.73

Finding the Fourth Proportional to 7,910.81, 10,916.56 and 4,553.73

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Solution

The fourth proportional to 7,910.81, 10,916.56 and 4,553.73 is: 6,283.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,910.81 : 10,916.56 = 4,553.73 : x
  2. Step 2: Convert to fraction form
    7,910.81/10,916.56 = 4,553.73/x
  3. Step 3: Cross multiply
    7,910.81x = 10,916.56 × 4,553.73
  4. Step 4: Simplify right side
    7,910.81x = 49,711,066.77
  5. Step 5: Solve for x
    x = 49,711,066.77/7,910.81
  6. Step 6: Final answer
    x = 6,283.94

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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.