Home / 4,013.48-6,018.86-1,239.78

Finding the Fourth Proportional to 4,013.48, 6,018.86 and 1,239.78

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Solution

The fourth proportional to 4,013.48, 6,018.86 and 1,239.78 is: 1,859.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,013.48 : 6,018.86 = 1,239.78 : x
  2. Step 2: Convert to fraction form
    4,013.48/6,018.86 = 1,239.78/x
  3. Step 3: Cross multiply
    4,013.48x = 6,018.86 × 1,239.78
  4. Step 4: Simplify right side
    4,013.48x = 7,462,062.25
  5. Step 5: Solve for x
    x = 7,462,062.25/4,013.48
  6. Step 6: Final answer
    x = 1,859.25

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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.