Home / 7,638.30-10,542.15-4,496.04

Finding the Fourth Proportional to 7,638.30, 10,542.15 and 4,496.04

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Solution

The fourth proportional to 7,638.30, 10,542.15 and 4,496.04 is: 6,205.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,638.30 : 10,542.15 = 4,496.04 : x
  2. Step 2: Convert to fraction form
    7,638.30/10,542.15 = 4,496.04/x
  3. Step 3: Cross multiply
    7,638.30x = 10,542.15 × 4,496.04
  4. Step 4: Simplify right side
    7,638.30x = 47,397,928.09
  5. Step 5: Solve for x
    x = 47,397,928.09/7,638.30
  6. Step 6: Final answer
    x = 6,205.30

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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.