Home / 9,341.40-12,891.24-5,149.65

Finding the Fourth Proportional to 9,341.40, 12,891.24 and 5,149.65

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Solution

The fourth proportional to 9,341.40, 12,891.24 and 5,149.65 is: 7,106.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,341.40 : 12,891.24 = 5,149.65 : x
  2. Step 2: Convert to fraction form
    9,341.40/12,891.24 = 5,149.65/x
  3. Step 3: Cross multiply
    9,341.40x = 12,891.24 × 5,149.65
  4. Step 4: Simplify right side
    9,341.40x = 66,385,374.07
  5. Step 5: Solve for x
    x = 66,385,374.07/9,341.40
  6. Step 6: Final answer
    x = 7,106.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.