Home / 5,405.16-7,458.67-3,047.88

Finding the Fourth Proportional to 5,405.16, 7,458.67 and 3,047.88

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Solution

The fourth proportional to 5,405.16, 7,458.67 and 3,047.88 is: 4,205.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,405.16 : 7,458.67 = 3,047.88 : x
  2. Step 2: Convert to fraction form
    5,405.16/7,458.67 = 3,047.88/x
  3. Step 3: Cross multiply
    5,405.16x = 7,458.67 × 3,047.88
  4. Step 4: Simplify right side
    5,405.16x = 22,733,131.12
  5. Step 5: Solve for x
    x = 22,733,131.12/5,405.16
  6. Step 6: Final answer
    x = 4,205.82

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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.