Home / 5,791.04-8,686.56-1,408.47

Finding the Fourth Proportional to 5,791.04, 8,686.56 and 1,408.47

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Solution

The fourth proportional to 5,791.04, 8,686.56 and 1,408.47 is: 2,112.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,791.04 : 8,686.56 = 1,408.47 : x
  2. Step 2: Convert to fraction form
    5,791.04/8,686.56 = 1,408.47/x
  3. Step 3: Cross multiply
    5,791.04x = 8,686.56 × 1,408.47
  4. Step 4: Simplify right side
    5,791.04x = 12,234,708.69
  5. Step 5: Solve for x
    x = 12,234,708.69/5,791.04
  6. Step 6: Final answer
    x = 2,112.70

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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.