Home / 6,922.47-10,378.67-2,761.23

Finding the Fourth Proportional to 6,922.47, 10,378.67 and 2,761.23

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Solution

The fourth proportional to 6,922.47, 10,378.67 and 2,761.23 is: 4,139.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,922.47 : 10,378.67 = 2,761.23 : x
  2. Step 2: Convert to fraction form
    6,922.47/10,378.67 = 2,761.23/x
  3. Step 3: Cross multiply
    6,922.47x = 10,378.67 × 2,761.23
  4. Step 4: Simplify right side
    6,922.47x = 28,657,881.16
  5. Step 5: Solve for x
    x = 28,657,881.16/6,922.47
  6. Step 6: Final answer
    x = 4,139.83

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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.