Home / 7,127.40-10,676.70-4,045.80

Finding the Fourth Proportional to 7,127.40, 10,676.70 and 4,045.80

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Solution

The fourth proportional to 7,127.40, 10,676.70 and 4,045.80 is: 6,060.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,127.40 : 10,676.70 = 4,045.80 : x
  2. Step 2: Convert to fraction form
    7,127.40/10,676.70 = 4,045.80/x
  3. Step 3: Cross multiply
    7,127.40x = 10,676.70 × 4,045.80
  4. Step 4: Simplify right side
    7,127.40x = 43,195,792.86
  5. Step 5: Solve for x
    x = 43,195,792.86/7,127.40
  6. Step 6: Final answer
    x = 6,060.53

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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.