Home / 7,401.25-11,047.88-6,467.06

Finding the Fourth Proportional to 7,401.25, 11,047.88 and 6,467.06

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Solution

The fourth proportional to 7,401.25, 11,047.88 and 6,467.06 is: 9,653.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,401.25 : 11,047.88 = 6,467.06 : x
  2. Step 2: Convert to fraction form
    7,401.25/11,047.88 = 6,467.06/x
  3. Step 3: Cross multiply
    7,401.25x = 11,047.88 × 6,467.06
  4. Step 4: Simplify right side
    7,401.25x = 71,447,298.12
  5. Step 5: Solve for x
    x = 71,447,298.12/7,401.25
  6. Step 6: Final answer
    x = 9,653.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.