Home / 7,350.77-11,022.51-3,840.23

Finding the Fourth Proportional to 7,350.77, 11,022.51 and 3,840.23

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Solution

The fourth proportional to 7,350.77, 11,022.51 and 3,840.23 is: 5,758.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,350.77 : 11,022.51 = 3,840.23 : x
  2. Step 2: Convert to fraction form
    7,350.77/11,022.51 = 3,840.23/x
  3. Step 3: Cross multiply
    7,350.77x = 11,022.51 × 3,840.23
  4. Step 4: Simplify right side
    7,350.77x = 42,328,973.58
  5. Step 5: Solve for x
    x = 42,328,973.58/7,350.77
  6. Step 6: Final answer
    x = 5,758.44

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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.