Home / 7,709.22-10,638.72-4,352.73

Finding the Fourth Proportional to 7,709.22, 10,638.72 and 4,352.73

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Solution

The fourth proportional to 7,709.22, 10,638.72 and 4,352.73 is: 6,006.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,709.22 : 10,638.72 = 4,352.73 : x
  2. Step 2: Convert to fraction form
    7,709.22/10,638.72 = 4,352.73/x
  3. Step 3: Cross multiply
    7,709.22x = 10,638.72 × 4,352.73
  4. Step 4: Simplify right side
    7,709.22x = 46,307,475.71
  5. Step 5: Solve for x
    x = 46,307,475.71/7,709.22
  6. Step 6: Final answer
    x = 6,006.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.