Home / 7,221.48-10,840.86-4,301.16

Finding the Fourth Proportional to 7,221.48, 10,840.86 and 4,301.16

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Solution

The fourth proportional to 7,221.48, 10,840.86 and 4,301.16 is: 6,456.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,221.48 : 10,840.86 = 4,301.16 : x
  2. Step 2: Convert to fraction form
    7,221.48/10,840.86 = 4,301.16/x
  3. Step 3: Cross multiply
    7,221.48x = 10,840.86 × 4,301.16
  4. Step 4: Simplify right side
    7,221.48x = 46,628,273.40
  5. Step 5: Solve for x
    x = 46,628,273.40/7,221.48
  6. Step 6: Final answer
    x = 6,456.89

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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.