Home / 7,187.22-10,779.95-1,922.63

Finding the Fourth Proportional to 7,187.22, 10,779.95 and 1,922.63

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Solution

The fourth proportional to 7,187.22, 10,779.95 and 1,922.63 is: 2,883.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,187.22 : 10,779.95 = 1,922.63 : x
  2. Step 2: Convert to fraction form
    7,187.22/10,779.95 = 1,922.63/x
  3. Step 3: Cross multiply
    7,187.22x = 10,779.95 × 1,922.63
  4. Step 4: Simplify right side
    7,187.22x = 20,725,791.76
  5. Step 5: Solve for x
    x = 20,725,791.76/7,187.22
  6. Step 6: Final answer
    x = 2,883.70

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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.