Home / 7,259.56-10,018.07-4,072.86

Finding the Fourth Proportional to 7,259.56, 10,018.07 and 4,072.86

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Solution

The fourth proportional to 7,259.56, 10,018.07 and 4,072.86 is: 5,620.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,259.56 : 10,018.07 = 4,072.86 : x
  2. Step 2: Convert to fraction form
    7,259.56/10,018.07 = 4,072.86/x
  3. Step 3: Cross multiply
    7,259.56x = 10,018.07 × 4,072.86
  4. Step 4: Simplify right side
    7,259.56x = 40,802,196.58
  5. Step 5: Solve for x
    x = 40,802,196.58/7,259.56
  6. Step 6: Final answer
    x = 5,620.48

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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.