Home / 4,701.40-7,037.70-2,747.80

Finding the Fourth Proportional to 4,701.40, 7,037.70 and 2,747.80

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Solution

The fourth proportional to 4,701.40, 7,037.70 and 2,747.80 is: 4,113.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,701.40 : 7,037.70 = 2,747.80 : x
  2. Step 2: Convert to fraction form
    4,701.40/7,037.70 = 2,747.80/x
  3. Step 3: Cross multiply
    4,701.40x = 7,037.70 × 2,747.80
  4. Step 4: Simplify right side
    4,701.40x = 19,338,192.06
  5. Step 5: Solve for x
    x = 19,338,192.06/4,701.40
  6. Step 6: Final answer
    x = 4,113.28

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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.