Home / 7,383.12-11,066.48-3,688.46

Finding the Fourth Proportional to 7,383.12, 11,066.48 and 3,688.46

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Solution

The fourth proportional to 7,383.12, 11,066.48 and 3,688.46 is: 5,528.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,383.12 : 11,066.48 = 3,688.46 : x
  2. Step 2: Convert to fraction form
    7,383.12/11,066.48 = 3,688.46/x
  3. Step 3: Cross multiply
    7,383.12x = 11,066.48 × 3,688.46
  4. Step 4: Simplify right side
    7,383.12x = 40,818,268.82
  5. Step 5: Solve for x
    x = 40,818,268.82/7,383.12
  6. Step 6: Final answer
    x = 5,528.59

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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.