Home / 5,605.34-7,739.08-3,619.22

Finding the Fourth Proportional to 5,605.34, 7,739.08 and 3,619.22

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Solution

The fourth proportional to 5,605.34, 7,739.08 and 3,619.22 is: 4,996.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,605.34 : 7,739.08 = 3,619.22 : x
  2. Step 2: Convert to fraction form
    5,605.34/7,739.08 = 3,619.22/x
  3. Step 3: Cross multiply
    5,605.34x = 7,739.08 × 3,619.22
  4. Step 4: Simplify right side
    5,605.34x = 28,009,385.37
  5. Step 5: Solve for x
    x = 28,009,385.37/5,605.34
  6. Step 6: Final answer
    x = 4,996.92

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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.