Home / 7,625.12-10,522.84-5,390.94

Finding the Fourth Proportional to 7,625.12, 10,522.84 and 5,390.94

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Solution

The fourth proportional to 7,625.12, 10,522.84 and 5,390.94 is: 7,439.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,625.12 : 10,522.84 = 5,390.94 : x
  2. Step 2: Convert to fraction form
    7,625.12/10,522.84 = 5,390.94/x
  3. Step 3: Cross multiply
    7,625.12x = 10,522.84 × 5,390.94
  4. Step 4: Simplify right side
    7,625.12x = 56,727,999.07
  5. Step 5: Solve for x
    x = 56,727,999.07/7,625.12
  6. Step 6: Final answer
    x = 7,439.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.