Home / 7,257.39-10,887.30-6,522.72

Finding the Fourth Proportional to 7,257.39, 10,887.30 and 6,522.72

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Solution

The fourth proportional to 7,257.39, 10,887.30 and 6,522.72 is: 9,785.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,257.39 : 10,887.30 = 6,522.72 : x
  2. Step 2: Convert to fraction form
    7,257.39/10,887.30 = 6,522.72/x
  3. Step 3: Cross multiply
    7,257.39x = 10,887.30 × 6,522.72
  4. Step 4: Simplify right side
    7,257.39x = 71,014,809.46
  5. Step 5: Solve for x
    x = 71,014,809.46/7,257.39
  6. Step 6: Final answer
    x = 9,785.17

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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.