Home / 4,937.13-7,405.56-1,239.48

Finding the Fourth Proportional to 4,937.13, 7,405.56 and 1,239.48

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Solution

The fourth proportional to 4,937.13, 7,405.56 and 1,239.48 is: 1,859.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,937.13 : 7,405.56 = 1,239.48 : x
  2. Step 2: Convert to fraction form
    4,937.13/7,405.56 = 1,239.48/x
  3. Step 3: Cross multiply
    4,937.13x = 7,405.56 × 1,239.48
  4. Step 4: Simplify right side
    4,937.13x = 9,179,043.51
  5. Step 5: Solve for x
    x = 9,179,043.51/4,937.13
  6. Step 6: Final answer
    x = 1,859.19

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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.