Home / 6,973.92-9,620.55-4,140

Finding the Fourth Proportional to 6,973.92, 9,620.55 and 4,140

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Solution

The fourth proportional to 6,973.92, 9,620.55 and 4,140 is: 5,711.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,973.92 : 9,620.55 = 4,140 : x
  2. Step 2: Convert to fraction form
    6,973.92/9,620.55 = 4,140/x
  3. Step 3: Cross multiply
    6,973.92x = 9,620.55 × 4,140
  4. Step 4: Simplify right side
    6,973.92x = 39,829,077
  5. Step 5: Solve for x
    x = 39,829,077/6,973.92
  6. Step 6: Final answer
    x = 5,711.15

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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.