Home / 7,127.40-10,676.70-4,938.60

Finding the Fourth Proportional to 7,127.40, 10,676.70 and 4,938.60

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Solution

The fourth proportional to 7,127.40, 10,676.70 and 4,938.60 is: 7,397.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,127.40 : 10,676.70 = 4,938.60 : x
  2. Step 2: Convert to fraction form
    7,127.40/10,676.70 = 4,938.60/x
  3. Step 3: Cross multiply
    7,127.40x = 10,676.70 × 4,938.60
  4. Step 4: Simplify right side
    7,127.40x = 52,727,950.62
  5. Step 5: Solve for x
    x = 52,727,950.62/7,127.40
  6. Step 6: Final answer
    x = 7,397.92

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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.