Home / 7,376.07-10,178.84-4,018.91

Finding the Fourth Proportional to 7,376.07, 10,178.84 and 4,018.91

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Solution

The fourth proportional to 7,376.07, 10,178.84 and 4,018.91 is: 5,546.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,376.07 : 10,178.84 = 4,018.91 : x
  2. Step 2: Convert to fraction form
    7,376.07/10,178.84 = 4,018.91/x
  3. Step 3: Cross multiply
    7,376.07x = 10,178.84 × 4,018.91
  4. Step 4: Simplify right side
    7,376.07x = 40,907,835.30
  5. Step 5: Solve for x
    x = 40,907,835.30/7,376.07
  6. Step 6: Final answer
    x = 5,546.02

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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.