Home / 7,430.36-11,145.96-3,272.31

Finding the Fourth Proportional to 7,430.36, 11,145.96 and 3,272.31

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Solution

The fourth proportional to 7,430.36, 11,145.96 and 3,272.31 is: 4,908.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,430.36 : 11,145.96 = 3,272.31 : x
  2. Step 2: Convert to fraction form
    7,430.36/11,145.96 = 3,272.31/x
  3. Step 3: Cross multiply
    7,430.36x = 11,145.96 × 3,272.31
  4. Step 4: Simplify right side
    7,430.36x = 36,473,036.37
  5. Step 5: Solve for x
    x = 36,473,036.37/7,430.36
  6. Step 6: Final answer
    x = 4,908.65

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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.