Home / 7,116.19-10,674.26-1,922.07

Finding the Fourth Proportional to 7,116.19, 10,674.26 and 1,922.07

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Solution

The fourth proportional to 7,116.19, 10,674.26 and 1,922.07 is: 2,883.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,116.19 : 10,674.26 = 1,922.07 : x
  2. Step 2: Convert to fraction form
    7,116.19/10,674.26 = 1,922.07/x
  3. Step 3: Cross multiply
    7,116.19x = 10,674.26 × 1,922.07
  4. Step 4: Simplify right side
    7,116.19x = 20,516,674.92
  5. Step 5: Solve for x
    x = 20,516,674.92/7,116.19
  6. Step 6: Final answer
    x = 2,883.10

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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.