Home / 7,777.06-10,734-5,124.70

Finding the Fourth Proportional to 7,777.06, 10,734 and 5,124.70

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Solution

The fourth proportional to 7,777.06, 10,734 and 5,124.70 is: 7,073.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,777.06 : 10,734 = 5,124.70 : x
  2. Step 2: Convert to fraction form
    7,777.06/10,734 = 5,124.70/x
  3. Step 3: Cross multiply
    7,777.06x = 10,734 × 5,124.70
  4. Step 4: Simplify right side
    7,777.06x = 55,008,529.80
  5. Step 5: Solve for x
    x = 55,008,529.80/7,777.06
  6. Step 6: Final answer
    x = 7,073.18

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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.