Home / 7,950.21-10,969.77-4,548.30

Finding the Fourth Proportional to 7,950.21, 10,969.77 and 4,548.30

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Solution

The fourth proportional to 7,950.21, 10,969.77 and 4,548.30 is: 6,275.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,950.21 : 10,969.77 = 4,548.30 : x
  2. Step 2: Convert to fraction form
    7,950.21/10,969.77 = 4,548.30/x
  3. Step 3: Cross multiply
    7,950.21x = 10,969.77 × 4,548.30
  4. Step 4: Simplify right side
    7,950.21x = 49,893,804.89
  5. Step 5: Solve for x
    x = 49,893,804.89/7,950.21
  6. Step 6: Final answer
    x = 6,275.78

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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.