Home / 7,419.36-10,239.69-4,231.93

Finding the Fourth Proportional to 7,419.36, 10,239.69 and 4,231.93

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Solution

The fourth proportional to 7,419.36, 10,239.69 and 4,231.93 is: 5,840.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,419.36 : 10,239.69 = 4,231.93 : x
  2. Step 2: Convert to fraction form
    7,419.36/10,239.69 = 4,231.93/x
  3. Step 3: Cross multiply
    7,419.36x = 10,239.69 × 4,231.93
  4. Step 4: Simplify right side
    7,419.36x = 43,333,605.67
  5. Step 5: Solve for x
    x = 43,333,605.67/7,419.36
  6. Step 6: Final answer
    x = 5,840.61

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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.