Home / 7,972.07-11,953.76-5,160.52

Finding the Fourth Proportional to 7,972.07, 11,953.76 and 5,160.52

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Solution

The fourth proportional to 7,972.07, 11,953.76 and 5,160.52 is: 7,737.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,972.07 : 11,953.76 = 5,160.52 : x
  2. Step 2: Convert to fraction form
    7,972.07/11,953.76 = 5,160.52/x
  3. Step 3: Cross multiply
    7,972.07x = 11,953.76 × 5,160.52
  4. Step 4: Simplify right side
    7,972.07x = 61,687,606.69
  5. Step 5: Solve for x
    x = 61,687,606.69/7,972.07
  6. Step 6: Final answer
    x = 7,737.97

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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.