Home / 9,771.18-13,483.36-5,791.66

Finding the Fourth Proportional to 9,771.18, 13,483.36 and 5,791.66

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Solution

The fourth proportional to 9,771.18, 13,483.36 and 5,791.66 is: 7,991.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,771.18 : 13,483.36 = 5,791.66 : x
  2. Step 2: Convert to fraction form
    9,771.18/13,483.36 = 5,791.66/x
  3. Step 3: Cross multiply
    9,771.18x = 13,483.36 × 5,791.66
  4. Step 4: Simplify right side
    9,771.18x = 78,091,036.78
  5. Step 5: Solve for x
    x = 78,091,036.78/9,771.18
  6. Step 6: Final answer
    x = 7,991.98

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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.