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Finding the Fourth Proportional to 6,645.51, 9,970.56 and 2,950.32

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Solution

The fourth proportional to 6,645.51, 9,970.56 and 2,950.32 is: 4,426.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,645.51 : 9,970.56 = 2,950.32 : x
  2. Step 2: Convert to fraction form
    6,645.51/9,970.56 = 2,950.32/x
  3. Step 3: Cross multiply
    6,645.51x = 9,970.56 × 2,950.32
  4. Step 4: Simplify right side
    6,645.51x = 29,416,379.97
  5. Step 5: Solve for x
    x = 29,416,379.97/6,645.51
  6. Step 6: Final answer
    x = 4,426.50

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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.