Home / 5,551.73-7,665.80-3,430.34

Finding the Fourth Proportional to 5,551.73, 7,665.80 and 3,430.34

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Solution

The fourth proportional to 5,551.73, 7,665.80 and 3,430.34 is: 4,736.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,551.73 : 7,665.80 = 3,430.34 : x
  2. Step 2: Convert to fraction form
    5,551.73/7,665.80 = 3,430.34/x
  3. Step 3: Cross multiply
    5,551.73x = 7,665.80 × 3,430.34
  4. Step 4: Simplify right side
    5,551.73x = 26,296,300.37
  5. Step 5: Solve for x
    x = 26,296,300.37/5,551.73
  6. Step 6: Final answer
    x = 4,736.60

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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.