Home / 7,799.36-10,761.60-4,442.09

Finding the Fourth Proportional to 7,799.36, 10,761.60 and 4,442.09

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Solution

The fourth proportional to 7,799.36, 10,761.60 and 4,442.09 is: 6,129.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,799.36 : 10,761.60 = 4,442.09 : x
  2. Step 2: Convert to fraction form
    7,799.36/10,761.60 = 4,442.09/x
  3. Step 3: Cross multiply
    7,799.36x = 10,761.60 × 4,442.09
  4. Step 4: Simplify right side
    7,799.36x = 47,803,941.94
  5. Step 5: Solve for x
    x = 47,803,941.94/7,799.36
  6. Step 6: Final answer
    x = 6,129.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.