Home / 8,149.47-11,239.34-5,493.39

Finding the Fourth Proportional to 8,149.47, 11,239.34 and 5,493.39

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Solution

The fourth proportional to 8,149.47, 11,239.34 and 5,493.39 is: 7,576.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,149.47 : 11,239.34 = 5,493.39 : x
  2. Step 2: Convert to fraction form
    8,149.47/11,239.34 = 5,493.39/x
  3. Step 3: Cross multiply
    8,149.47x = 11,239.34 × 5,493.39
  4. Step 4: Simplify right side
    8,149.47x = 61,742,050.50
  5. Step 5: Solve for x
    x = 61,742,050.50/8,149.47
  6. Step 6: Final answer
    x = 7,576.20

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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.