Home / 6,619.96-9,137.58-4,262.10

Finding the Fourth Proportional to 6,619.96, 9,137.58 and 4,262.10

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Solution

The fourth proportional to 6,619.96, 9,137.58 and 4,262.10 is: 5,883.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,619.96 : 9,137.58 = 4,262.10 : x
  2. Step 2: Convert to fraction form
    6,619.96/9,137.58 = 4,262.10/x
  3. Step 3: Cross multiply
    6,619.96x = 9,137.58 × 4,262.10
  4. Step 4: Simplify right side
    6,619.96x = 38,945,279.72
  5. Step 5: Solve for x
    x = 38,945,279.72/6,619.96
  6. Step 6: Final answer
    x = 5,883.01

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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.