Home / 7,638.48-11,461.40-4,175.64

Finding the Fourth Proportional to 7,638.48, 11,461.40 and 4,175.64

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Solution

The fourth proportional to 7,638.48, 11,461.40 and 4,175.64 is: 6,265.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,638.48 : 11,461.40 = 4,175.64 : x
  2. Step 2: Convert to fraction form
    7,638.48/11,461.40 = 4,175.64/x
  3. Step 3: Cross multiply
    7,638.48x = 11,461.40 × 4,175.64
  4. Step 4: Simplify right side
    7,638.48x = 47,858,680.30
  5. Step 5: Solve for x
    x = 47,858,680.30/7,638.48
  6. Step 6: Final answer
    x = 6,265.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.