Home / 7,386.12-11,086.47-3,493.26

Finding the Fourth Proportional to 7,386.12, 11,086.47 and 3,493.26

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Solution

The fourth proportional to 7,386.12, 11,086.47 and 3,493.26 is: 5,243.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,386.12 : 11,086.47 = 3,493.26 : x
  2. Step 2: Convert to fraction form
    7,386.12/11,086.47 = 3,493.26/x
  3. Step 3: Cross multiply
    7,386.12x = 11,086.47 × 3,493.26
  4. Step 4: Simplify right side
    7,386.12x = 38,727,922.19
  5. Step 5: Solve for x
    x = 38,727,922.19/7,386.12
  6. Step 6: Final answer
    x = 5,243.34

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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.