Home / 7,303.32-10,078.58-3,991.32

Finding the Fourth Proportional to 7,303.32, 10,078.58 and 3,991.32

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Solution

The fourth proportional to 7,303.32, 10,078.58 and 3,991.32 is: 5,508.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,303.32 : 10,078.58 = 3,991.32 : x
  2. Step 2: Convert to fraction form
    7,303.32/10,078.58 = 3,991.32/x
  3. Step 3: Cross multiply
    7,303.32x = 10,078.58 × 3,991.32
  4. Step 4: Simplify right side
    7,303.32x = 40,226,817.97
  5. Step 5: Solve for x
    x = 40,226,817.97/7,303.32
  6. Step 6: Final answer
    x = 5,508.02

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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.