Home / 7,430.86-11,153.25-3,923.47

Finding the Fourth Proportional to 7,430.86, 11,153.25 and 3,923.47

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Solution

The fourth proportional to 7,430.86, 11,153.25 and 3,923.47 is: 5,888.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,430.86 : 11,153.25 = 3,923.47 : x
  2. Step 2: Convert to fraction form
    7,430.86/11,153.25 = 3,923.47/x
  3. Step 3: Cross multiply
    7,430.86x = 11,153.25 × 3,923.47
  4. Step 4: Simplify right side
    7,430.86x = 43,759,441.78
  5. Step 5: Solve for x
    x = 43,759,441.78/7,430.86
  6. Step 6: Final answer
    x = 5,888.88

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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.