Home / 7,186.36-9,921.06-4,840.92

Finding the Fourth Proportional to 7,186.36, 9,921.06 and 4,840.92

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Solution

The fourth proportional to 7,186.36, 9,921.06 and 4,840.92 is: 6,683.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,186.36 : 9,921.06 = 4,840.92 : x
  2. Step 2: Convert to fraction form
    7,186.36/9,921.06 = 4,840.92/x
  3. Step 3: Cross multiply
    7,186.36x = 9,921.06 × 4,840.92
  4. Step 4: Simplify right side
    7,186.36x = 48,027,057.78
  5. Step 5: Solve for x
    x = 48,027,057.78/7,186.36
  6. Step 6: Final answer
    x = 6,683.09

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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.