Home / 7,116.50-10,674.75-1,922.38

Finding the Fourth Proportional to 7,116.50, 10,674.75 and 1,922.38

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Solution

The fourth proportional to 7,116.50, 10,674.75 and 1,922.38 is: 2,883.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,116.50 : 10,674.75 = 1,922.38 : x
  2. Step 2: Convert to fraction form
    7,116.50/10,674.75 = 1,922.38/x
  3. Step 3: Cross multiply
    7,116.50x = 10,674.75 × 1,922.38
  4. Step 4: Simplify right side
    7,116.50x = 20,520,925.91
  5. Step 5: Solve for x
    x = 20,520,925.91/7,116.50
  6. Step 6: Final answer
    x = 2,883.57

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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.