Home / 5,104.19-7,655.58-1,405.89

Finding the Fourth Proportional to 5,104.19, 7,655.58 and 1,405.89

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Solution

The fourth proportional to 5,104.19, 7,655.58 and 1,405.89 is: 2,108.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,104.19 : 7,655.58 = 1,405.89 : x
  2. Step 2: Convert to fraction form
    5,104.19/7,655.58 = 1,405.89/x
  3. Step 3: Cross multiply
    5,104.19x = 7,655.58 × 1,405.89
  4. Step 4: Simplify right side
    5,104.19x = 10,762,868.60
  5. Step 5: Solve for x
    x = 10,762,868.60/5,104.19
  6. Step 6: Final answer
    x = 2,108.64

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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.