Home / 7,983.98-11,018.06-4,627.88

Finding the Fourth Proportional to 7,983.98, 11,018.06 and 4,627.88

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Solution

The fourth proportional to 7,983.98, 11,018.06 and 4,627.88 is: 6,386.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,983.98 : 11,018.06 = 4,627.88 : x
  2. Step 2: Convert to fraction form
    7,983.98/11,018.06 = 4,627.88/x
  3. Step 3: Cross multiply
    7,983.98x = 11,018.06 × 4,627.88
  4. Step 4: Simplify right side
    7,983.98x = 50,990,181.28
  5. Step 5: Solve for x
    x = 50,990,181.28/7,983.98
  6. Step 6: Final answer
    x = 6,386.57

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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.