Home / 5,309.41-7,957.27-2,185.66

Finding the Fourth Proportional to 5,309.41, 7,957.27 and 2,185.66

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Solution

The fourth proportional to 5,309.41, 7,957.27 and 2,185.66 is: 3,275.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,309.41 : 7,957.27 = 2,185.66 : x
  2. Step 2: Convert to fraction form
    5,309.41/7,957.27 = 2,185.66/x
  3. Step 3: Cross multiply
    5,309.41x = 7,957.27 × 2,185.66
  4. Step 4: Simplify right side
    5,309.41x = 17,391,886.75
  5. Step 5: Solve for x
    x = 17,391,886.75/5,309.41
  6. Step 6: Final answer
    x = 3,275.67

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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.