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Finding the Fourth Proportional to 7,595.78, 10,480.20 and 4,450.28

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Solution

The fourth proportional to 7,595.78, 10,480.20 and 4,450.28 is: 6,140.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,595.78 : 10,480.20 = 4,450.28 : x
  2. Step 2: Convert to fraction form
    7,595.78/10,480.20 = 4,450.28/x
  3. Step 3: Cross multiply
    7,595.78x = 10,480.20 × 4,450.28
  4. Step 4: Simplify right side
    7,595.78x = 46,639,824.46
  5. Step 5: Solve for x
    x = 46,639,824.46/7,595.78
  6. Step 6: Final answer
    x = 6,140.23

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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.