Home / 8,247.32-12,369.27-2,911.22

Finding the Fourth Proportional to 8,247.32, 12,369.27 and 2,911.22

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Solution

The fourth proportional to 8,247.32, 12,369.27 and 2,911.22 is: 4,366.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,247.32 : 12,369.27 = 2,911.22 : x
  2. Step 2: Convert to fraction form
    8,247.32/12,369.27 = 2,911.22/x
  3. Step 3: Cross multiply
    8,247.32x = 12,369.27 × 2,911.22
  4. Step 4: Simplify right side
    8,247.32x = 36,009,666.21
  5. Step 5: Solve for x
    x = 36,009,666.21/8,247.32
  6. Step 6: Final answer
    x = 4,366.23

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1.5x scale

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.