Home / 7,365.11-11,032.61-6,128.55

Finding the Fourth Proportional to 7,365.11, 11,032.61 and 6,128.55

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Solution

The fourth proportional to 7,365.11, 11,032.61 and 6,128.55 is: 9,180.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,365.11 : 11,032.61 = 6,128.55 : x
  2. Step 2: Convert to fraction form
    7,365.11/11,032.61 = 6,128.55/x
  3. Step 3: Cross multiply
    7,365.11x = 11,032.61 × 6,128.55
  4. Step 4: Simplify right side
    7,365.11x = 67,613,871.37
  5. Step 5: Solve for x
    x = 67,613,871.37/7,365.11
  6. Step 6: Final answer
    x = 9,180.30

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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.