Home / 7,247.12-10,874.28-2,867.72

Finding the Fourth Proportional to 7,247.12, 10,874.28 and 2,867.72

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Solution

The fourth proportional to 7,247.12, 10,874.28 and 2,867.72 is: 4,303.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,247.12 : 10,874.28 = 2,867.72 : x
  2. Step 2: Convert to fraction form
    7,247.12/10,874.28 = 2,867.72/x
  3. Step 3: Cross multiply
    7,247.12x = 10,874.28 × 2,867.72
  4. Step 4: Simplify right side
    7,247.12x = 31,184,390.24
  5. Step 5: Solve for x
    x = 31,184,390.24/7,247.12
  6. Step 6: Final answer
    x = 4,303.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.