Home / 7,922.36-11,890.74-5,472.92

Finding the Fourth Proportional to 7,922.36, 11,890.74 and 5,472.92

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Solution

The fourth proportional to 7,922.36, 11,890.74 and 5,472.92 is: 8,214.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,922.36 : 11,890.74 = 5,472.92 : x
  2. Step 2: Convert to fraction form
    7,922.36/11,890.74 = 5,472.92/x
  3. Step 3: Cross multiply
    7,922.36x = 11,890.74 × 5,472.92
  4. Step 4: Simplify right side
    7,922.36x = 65,077,068.76
  5. Step 5: Solve for x
    x = 65,077,068.76/7,922.36
  6. Step 6: Final answer
    x = 8,214.35

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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.