Home / 7,564.45-10,440.06-4,420.43

Finding the Fourth Proportional to 7,564.45, 10,440.06 and 4,420.43

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Solution

The fourth proportional to 7,564.45, 10,440.06 and 4,420.43 is: 6,100.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,564.45 : 10,440.06 = 4,420.43 : x
  2. Step 2: Convert to fraction form
    7,564.45/10,440.06 = 4,420.43/x
  3. Step 3: Cross multiply
    7,564.45x = 10,440.06 × 4,420.43
  4. Step 4: Simplify right side
    7,564.45x = 46,149,554.43
  5. Step 5: Solve for x
    x = 46,149,554.43/7,564.45
  6. Step 6: Final answer
    x = 6,100.85

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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.