Home / 9,148.86-13,723.29-2,909.52

Finding the Fourth Proportional to 9,148.86, 13,723.29 and 2,909.52

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Solution

The fourth proportional to 9,148.86, 13,723.29 and 2,909.52 is: 4,364.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,148.86 : 13,723.29 = 2,909.52 : x
  2. Step 2: Convert to fraction form
    9,148.86/13,723.29 = 2,909.52/x
  3. Step 3: Cross multiply
    9,148.86x = 13,723.29 × 2,909.52
  4. Step 4: Simplify right side
    9,148.86x = 39,928,186.72
  5. Step 5: Solve for x
    x = 39,928,186.72/9,148.86
  6. Step 6: Final answer
    x = 4,364.28

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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.