Home / 6,922.47-10,381.79-1,923.70

Finding the Fourth Proportional to 6,922.47, 10,381.79 and 1,923.70

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Solution

The fourth proportional to 6,922.47, 10,381.79 and 1,923.70 is: 2,885.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,922.47 : 10,381.79 = 1,923.70 : x
  2. Step 2: Convert to fraction form
    6,922.47/10,381.79 = 1,923.70/x
  3. Step 3: Cross multiply
    6,922.47x = 10,381.79 × 1,923.70
  4. Step 4: Simplify right side
    6,922.47x = 19,971,449.42
  5. Step 5: Solve for x
    x = 19,971,449.42/6,922.47
  6. Step 6: Final answer
    x = 2,885.02

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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.