Home / 7,775.44-11,669.90-4,080.28

Finding the Fourth Proportional to 7,775.44, 11,669.90 and 4,080.28

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Solution

The fourth proportional to 7,775.44, 11,669.90 and 4,080.28 is: 6,123.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,775.44 : 11,669.90 = 4,080.28 : x
  2. Step 2: Convert to fraction form
    7,775.44/11,669.90 = 4,080.28/x
  3. Step 3: Cross multiply
    7,775.44x = 11,669.90 × 4,080.28
  4. Step 4: Simplify right side
    7,775.44x = 47,616,459.57
  5. Step 5: Solve for x
    x = 47,616,459.57/7,775.44
  6. Step 6: Final answer
    x = 6,123.96

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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.