Home / 9,148.59-13,723.90-2,909.16

Finding the Fourth Proportional to 9,148.59, 13,723.90 and 2,909.16

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Solution

The fourth proportional to 9,148.59, 13,723.90 and 2,909.16 is: 4,364.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,148.59 : 13,723.90 = 2,909.16 : x
  2. Step 2: Convert to fraction form
    9,148.59/13,723.90 = 2,909.16/x
  3. Step 3: Cross multiply
    9,148.59x = 13,723.90 × 2,909.16
  4. Step 4: Simplify right side
    9,148.59x = 39,925,013.65
  5. Step 5: Solve for x
    x = 39,925,013.65/9,148.59
  6. Step 6: Final answer
    x = 4,364.06

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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.