Home / 8,172.49-12,247.03-4,655.23

Finding the Fourth Proportional to 8,172.49, 12,247.03 and 4,655.23

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Solution

The fourth proportional to 8,172.49, 12,247.03 and 4,655.23 is: 6,976.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,172.49 : 12,247.03 = 4,655.23 : x
  2. Step 2: Convert to fraction form
    8,172.49/12,247.03 = 4,655.23/x
  3. Step 3: Cross multiply
    8,172.49x = 12,247.03 × 4,655.23
  4. Step 4: Simplify right side
    8,172.49x = 57,012,764.21
  5. Step 5: Solve for x
    x = 57,012,764.21/8,172.49
  6. Step 6: Final answer
    x = 6,976.18

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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.