Home / 7,648.21-10,554.36-4,290.96

Finding the Fourth Proportional to 7,648.21, 10,554.36 and 4,290.96

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Solution

The fourth proportional to 7,648.21, 10,554.36 and 4,290.96 is: 5,921.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,648.21 : 10,554.36 = 4,290.96 : x
  2. Step 2: Convert to fraction form
    7,648.21/10,554.36 = 4,290.96/x
  3. Step 3: Cross multiply
    7,648.21x = 10,554.36 × 4,290.96
  4. Step 4: Simplify right side
    7,648.21x = 45,288,336.59
  5. Step 5: Solve for x
    x = 45,288,336.59/7,648.21
  6. Step 6: Final answer
    x = 5,921.43

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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.